1368637932544 has 33 divisors (see below), whose sum is σ = 2736014142927. Its totient is φ = 684300248064.

The previous prime is 1368637932527. The next prime is 1368637932553. The reversal of 1368637932544 is 4452397368631.

The square root of 1368637932544 is 1169888.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 37418137 + ... + 37454695.

Almost surely, 2^{1368637932544} is an apocalyptic number.

1368637932544 is the 1169888-th square number.

It is an amenable number.

1368637932544 is a deficient number, since it is larger than the sum of its proper divisors (1367376210383).

1368637932544 is an frugal number, since it uses more digits than its factorization.

1368637932544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73138 (or 36561 counting only the distinct ones).

The product of its digits is 78382080, while the sum is 61.

The spelling of 1368637932544 in words is "one trillion, three hundred sixty-eight billion, six hundred thirty-seven million, nine hundred thirty-two thousand, five hundred forty-four".