653671373020 has 48 divisors (see below), whose sum is σ = 1414046743200. Its totient is φ = 253666119680.

The previous prime is 653671373011. The next prime is 653671373053. The reversal of 653671373020 is 20373176356.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2079925 + ... + 2373484.

It is an arithmetic number, because the mean of its divisors is an integer number (29459307150).

Almost surely, 2^653671373020 is an apocalyptic number.

It is an amenable number.

653671373020 is an abundant number, since it is smaller than the sum of its proper divisors (760375370180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

653671373020 is a wasteful number, since it uses less digits than its factorization.

653671373020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4453638 (or 4453636 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 43.

The spelling of 653671373020 in words is "six hundred fifty-three billion, six hundred seventy-one million, three hundred seventy-three thousand, twenty".