653445540632 has 16 divisors (see below), whose sum is σ = 1248327566640. Its totient is φ = 320558189536.

The previous prime is 653445540613. The next prime is 653445540647. The reversal of 653445540632 is 236045544356.

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, 770572148 + ... + 770572995.

It is an arithmetic number, because the mean of its divisors is an integer number (78020472915).

Almost surely, 2^653445540632 is an apocalyptic number.

It is an amenable number.

653445540632 is a deficient number, since it is larger than the sum of its proper divisors (594882026008).

653445540632 is a wasteful number, since it uses less digits than its factorization.

653445540632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541145202 (or 1541145198 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 47.

The spelling of 653445540632 in words is "six hundred fifty-three billion, four hundred forty-five million, five hundred forty thousand, six hundred thirty-two".