233145424413409 has 4 divisors (see below), whose sum is σ = 233177640176404. Its totient is φ = 233113208650416.

The previous prime is 233145424413359. The next prime is 233145424413479. The reversal of 233145424413409 is 904314424541332.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 139597840413409 + 93547584000000 = 11815153^2 + 9672000^2 .

It is a cyclic number.

It is not a de Polignac number, because 233145424413409 - 2⁹ = 233145424412897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233145424413479) 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, 16107870642 + ... + 16107885115.

It is an arithmetic number, because the mean of its divisors is an integer number (58294410044101).

Almost surely, 2^{233145424413409} is an apocalyptic number.

It is an amenable number.

233145424413409 is a deficient number, since it is larger than the sum of its proper divisors (32215762995).

233145424413409 is an equidigital number, since it uses as much as digits as its factorization.

233145424413409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32215762994.

The product of its (nonzero) digits is 4976640, while the sum is 49.

The spelling of 233145424413409 in words is "two hundred thirty-three trillion, one hundred forty-five billion, four hundred twenty-four million, four hundred thirteen thousand, four hundred nine".