345912921326 has 16 divisors (see below), whose sum is σ = 605095490400. Its totient is φ = 148248394560.

The previous prime is 345912921269. The next prime is 345912921373. The reversal of 345912921326 is 623129219543.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252122435 + ... + 252123806.

It is an arithmetic number, because the mean of its divisors is an integer number (37818468150).

Almost surely, 2^345912921326 is an apocalyptic number.

345912921326 is a deficient number, since it is larger than the sum of its proper divisors (259182569074).

345912921326 is an equidigital number, since it uses as much as digits as its factorization.

345912921326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504246264 (or 504246250 counting only the distinct ones).

The product of its digits is 699840, while the sum is 47.

The spelling of 345912921326 in words is "three hundred forty-five billion, nine hundred twelve million, nine hundred twenty-one thousand, three hundred twenty-six".