345630252769 has 4 divisors (see below), whose sum is σ = 345639016240. Its totient is φ = 345621489300.

The previous prime is 345630252767. The next prime is 345630252787. The reversal of 345630252769 is 967252036543.

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 not a de Polignac number, because 345630252769 - 2¹ = 345630252767 is a prime.

It is a super-2 number, since 2×345630252769² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345630252767) 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, 4322307 + ... + 4401544.

It is an arithmetic number, because the mean of its divisors is an integer number (86409754060).

Almost surely, 2^345630252769 is an apocalyptic number.

It is an amenable number.

345630252769 is a deficient number, since it is larger than the sum of its proper divisors (8763471).

345630252769 is an equidigital number, since it uses as much as digits as its factorization.

345630252769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8763470.

The product of its (nonzero) digits is 8164800, while the sum is 52.

The spelling of 345630252769 in words is "three hundred forty-five billion, six hundred thirty million, two hundred fifty-two thousand, seven hundred sixty-nine".