653826773968 has 40 divisors (see below), whose sum is σ = 1333718654400. Its totient is φ = 309647925504.

The previous prime is 653826773953. The next prime is 653826773969. The reversal of 653826773968 is 869377628356.

It is a Smith number, since the sum of its digits (70) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 653826773897 and 653826773906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653826773969) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1399053 + ... + 1806931.

It is an arithmetic number, because the mean of its divisors is an integer number (33342966360).

Almost surely, 2^653826773968 is an apocalyptic number.

It is an amenable number.

653826773968 is an abundant number, since it is smaller than the sum of its proper divisors (679891880432).

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

653826773968 is a wasteful number, since it uses less digits than its factorization.

653826773968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413179 (or 413173 counting only the distinct ones).

The product of its digits is 548674560, while the sum is 70.

The spelling of 653826773968 in words is "six hundred fifty-three billion, eight hundred twenty-six million, seven hundred seventy-three thousand, nine hundred sixty-eight".