18653970596 has 12 divisors (see below), whose sum is σ = 34564710348. Its totient is φ = 8778339072.

The previous prime is 18653970589. The next prime is 18653970607. The reversal of 18653970596 is 69507935681.

It can be written as a sum of positive squares in 2 ways, for example, as 16157968996 + 2496001600 = 127114^2 + 49960^2 .

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, 137161481 + ... + 137161616.

It is an arithmetic number, because the mean of its divisors is an integer number (2880392529).

Almost surely, 2^18653970596 is an apocalyptic number.

It is an amenable number.

18653970596 is a deficient number, since it is larger than the sum of its proper divisors (15910739752).

18653970596 is a wasteful number, since it uses less digits than its factorization.

18653970596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274323118 (or 274323116 counting only the distinct ones).

The product of its (nonzero) digits is 12247200, while the sum is 59.

The spelling of 18653970596 in words is "eighteen billion, six hundred fifty-three million, nine hundred seventy thousand, five hundred ninety-six".