653107971808 has 12 divisors (see below), whose sum is σ = 1285806319560. Its totient is φ = 326553985888.

The previous prime is 653107971731. The next prime is 653107971827. The reversal of 653107971808 is 808179701356.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10204812028 + ... + 10204812091.

It is an arithmetic number, because the mean of its divisors is an integer number (107150526630).

Almost surely, 2^653107971808 is an apocalyptic number.

It is an amenable number.

653107971808 is a deficient number, since it is larger than the sum of its proper divisors (632698347752).

653107971808 is a wasteful number, since it uses less digits than its factorization.

653107971808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20409624129 (or 20409624121 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 55.

The spelling of 653107971808 in words is "six hundred fifty-three billion, one hundred seven million, nine hundred seventy-one thousand, eight hundred eight".