342465640631 has 4 divisors (see below), whose sum is σ = 342763179264. Its totient is φ = 342168102000.

The previous prime is 342465640607. The next prime is 342465640637. The reversal of 342465640631 is 136046564243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136046564243 = 4451 ⋅30565393.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342465640631 is a prime.

It is a super-2 number, since 2×342465640631² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342465640637) 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, 148767590 + ... + 148769891.

It is an arithmetic number, because the mean of its divisors is an integer number (85690794816).

Almost surely, 2^342465640631 is an apocalyptic number.

342465640631 is a deficient number, since it is larger than the sum of its proper divisors (297538633).

342465640631 is a wasteful number, since it uses less digits than its factorization.

342465640631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297538632.

The product of its (nonzero) digits is 1244160, while the sum is 44.

The spelling of 342465640631 in words is "three hundred forty-two billion, four hundred sixty-five million, six hundred forty thousand, six hundred thirty-one".