70649631783 has 16 divisors (see below), whose sum is σ = 109216823040. Its totient is φ = 45051938712.

The previous prime is 70649631779. The next prime is 70649631803. The reversal of 70649631783 is 38713694607.

70649631783 is a `hidden beast` number, since 70 + 6 + 496 + 3 + 1 + 7 + 83 = 666.

It is not a de Polignac number, because 70649631783 - 2² = 70649631779 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70649631083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56883141 + ... + 56884382.

It is an arithmetic number, because the mean of its divisors is an integer number (6826051440).

Almost surely, 2^70649631783 is an apocalyptic number.

70649631783 is a deficient number, since it is larger than the sum of its proper divisors (38567191257).

70649631783 is a wasteful number, since it uses less digits than its factorization.

70649631783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113767555 (or 113767549 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

It can be divided in two parts, 706496317 and 83, that added together give a square (706496400 = 26580²).

The spelling of 70649631783 in words is "seventy billion, six hundred forty-nine million, six hundred thirty-one thousand, seven hundred eighty-three".