245642352634 has 32 divisors (see below), whose sum is σ = 425211811200. Its totient is φ = 104252520960.

The previous prime is 245642352617. The next prime is 245642352649. The reversal of 245642352634 is 436253246542.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400582 + ... + 807310.

It is an arithmetic number, because the mean of its divisors is an integer number (13287869100).

Almost surely, 2^245642352634 is an apocalyptic number.

245642352634 is a deficient number, since it is larger than the sum of its proper divisors (179569458566).

245642352634 is a wasteful number, since it uses less digits than its factorization.

245642352634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407158.

The product of its digits is 4147200, while the sum is 46.

The spelling of 245642352634 in words is "two hundred forty-five billion, six hundred forty-two million, three hundred fifty-two thousand, six hundred thirty-four".