345342531999999 has 16 divisors (see below), whose sum is σ = 465232680382464. Its totient is φ = 227842496532000.

The previous prime is 345342531999947. The next prime is 345342532000003. The reversal of 345342531999999 is 999999135243543.

It is not a de Polignac number, because 345342531999999 - 2²⁰ = 345342530951423 is a prime.

It is a super-2 number, since 2×345342531999999² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345342531998999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265273287 + ... + 266571944.

It is an arithmetic number, because the mean of its divisors is an integer number (29077042523904).

Almost surely, 2^{345342531999999} is an apocalyptic number.

345342531999999 is a deficient number, since it is larger than the sum of its proper divisors (119890148382465).

345342531999999 is a wasteful number, since it uses less digits than its factorization.

345342531999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531847478.

The product of its digits is 11479125600, while the sum is 84.

The spelling of 345342531999999 in words is "three hundred forty-five trillion, three hundred forty-two billion, five hundred thirty-one million, nine hundred ninety-nine thousand, nine hundred ninety-nine".