653749947356 has 48 divisors (see below), whose sum is σ = 1287243159552. Its totient is φ = 287956872000.

The previous prime is 653749947343. The next prime is 653749947377.

653749947356 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1356116 + ... + 1773851.

It is an arithmetic number, because the mean of its divisors is an integer number (26817565824).

Almost surely, 2^653749947356 is an apocalyptic number.

It is an amenable number.

653749947356 is a deficient number, since it is larger than the sum of its proper divisors (633493212196).

653749947356 is a wasteful number, since it uses less digits than its factorization.

653749947356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3130130 (or 3130128 counting only the distinct ones).

The product of its digits is 514382400, while the sum is 68.

The spelling of 653749947356 in words is "six hundred fifty-three billion, seven hundred forty-nine million, nine hundred forty-seven thousand, three hundred fifty-six".