345213380997 has 6 divisors (see below), whose sum is σ = 498641550342. Its totient is φ = 230142253992.

The previous prime is 345213380987. The next prime is 345213381017. The reversal of 345213380997 is 799083312543.

345213380997 is a `hidden beast` number, since 3 + 4 + 521 + 33 + 80 + 9 + 9 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 330608900196 + 14604480801 = 574986^2 + 120849^2 .

It is not a de Polignac number, because 345213380997 - 2²³ = 345204992389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345213380987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19178521158 + ... + 19178521175.

It is an arithmetic number, because the mean of its divisors is an integer number (83106925057).

Almost surely, 2^345213380997 is an apocalyptic number.

It is an amenable number.

345213380997 is a deficient number, since it is larger than the sum of its proper divisors (153428169345).

345213380997 is a wasteful number, since it uses less digits than its factorization.

345213380997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38357042339 (or 38357042336 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 345213380997 in words is "three hundred forty-five billion, two hundred thirteen million, three hundred eighty thousand, nine hundred ninety-seven".