345746288939 has 4 divisors (see below), whose sum is σ = 345809815656. Its totient is φ = 345682762224.

The previous prime is 345746288933. The next prime is 345746288941. The reversal of 345746288939 is 939882647543.

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

It is a cyclic number.

It is not a de Polignac number, because 345746288939 - 2²⁰ = 345745240363 is a prime.

It is a super-3 number, since 3×345746288939³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345746288933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31755194 + ... + 31766079.

It is an arithmetic number, because the mean of its divisors is an integer number (86452453914).

Almost surely, 2^345746288939 is an apocalyptic number.

345746288939 is a deficient number, since it is larger than the sum of its proper divisors (63526717).

345746288939 is an equidigital number, since it uses as much as digits as its factorization.

345746288939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63526716.

The product of its digits is 313528320, while the sum is 68.

The spelling of 345746288939 in words is "three hundred forty-five billion, seven hundred forty-six million, two hundred eighty-eight thousand, nine hundred thirty-nine".