235678012469 has 4 divisors (see below), whose sum is σ = 235685382240. Its totient is φ = 235670642700.

The previous prime is 235678012463. The next prime is 235678012519. The reversal of 235678012469 is 964210876532.

235678012469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-235678012469 is a prime.

It is a super-2 number, since 2×235678012469² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 235678012469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235678012463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3636707 + ... + 3700944.

It is an arithmetic number, because the mean of its divisors is an integer number (58921345560).

It is a 2-persistent number, because it is pandigital, and so is 2⋅235678012469 = 471356024938, but 3⋅235678012469 = 707034037407 is not.

Almost surely, 2^235678012469 is an apocalyptic number.

It is an amenable number.

235678012469 is a deficient number, since it is larger than the sum of its proper divisors (7369771).

235678012469 is an equidigital number, since it uses as much as digits as its factorization.

235678012469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7369770.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 235678012469 in words is "two hundred thirty-five billion, six hundred seventy-eight million, twelve thousand, four hundred sixty-nine".