653650623064 has 16 divisors (see below), whose sum is σ = 1225975941000. Its totient is φ = 326723705472.

The previous prime is 653650623007. The next prime is 653650623079. The reversal of 653650623064 is 460326056356.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12673414 + ... + 12724885.

Almost surely, 2^653650623064 is an apocalyptic number.

It is an amenable number.

653650623064 is a deficient number, since it is larger than the sum of its proper divisors (572325317936).

653650623064 is a wasteful number, since it uses less digits than its factorization.

653650623064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25401522 (or 25401518 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 46.

The spelling of 653650623064 in words is "six hundred fifty-three billion, six hundred fifty million, six hundred twenty-three thousand, sixty-four".