345464740647 has 24 divisors (see below), whose sum is σ = 540569447600. Its totient is φ = 212593674384.

The previous prime is 345464740639. The next prime is 345464740697. The reversal of 345464740647 is 746047464543.

345464740647 is a `hidden beast` number, since 3 + 454 + 64 + 74 + 0 + 64 + 7 = 666.

It is not a de Polignac number, because 345464740647 - 2³ = 345464740639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345464740593 and 345464740602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345464740697) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8715997 + ... + 8755542.

Almost surely, 2^345464740647 is an apocalyptic number.

345464740647 is a deficient number, since it is larger than the sum of its proper divisors (195104706953).

345464740647 is a wasteful number, since it uses less digits than its factorization.

345464740647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17471584 (or 17471555 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 54.

The spelling of 345464740647 in words is "three hundred forty-five billion, four hundred sixty-four million, seven hundred forty thousand, six hundred forty-seven".