345702874321 has 4 divisors (see below), whose sum is σ = 395088999232. Its totient is φ = 296316749412.

The previous prime is 345702874303. The next prime is 345702874333. The reversal of 345702874321 is 123478207543.

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 345702874321 - 2⁵ = 345702874289 is a prime.

It is a super-2 number, since 2×345702874321² (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 (345702875321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24693062445 + ... + 24693062458.

It is an arithmetic number, because the mean of its divisors is an integer number (98772249808).

Almost surely, 2^345702874321 is an apocalyptic number.

It is an amenable number.

345702874321 is a deficient number, since it is larger than the sum of its proper divisors (49386124911).

345702874321 is an equidigital number, since it uses as much as digits as its factorization.

345702874321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49386124910.

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 345702874321 in words is "three hundred forty-five billion, seven hundred two million, eight hundred seventy-four thousand, three hundred twenty-one".