1361613601924 has 27 divisors (see below), whose sum is σ = 2491027430647. Its totient is φ = 651180833864.

The previous prime is 1361613601883. The next prime is 1361613601961. The reversal of 1361613601924 is 4291063161631.

The square root of 1361613601924 is 1166882.

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 8 ways as a sum of consecutive naturals, for example, 53663889 + ... + 53689255.

Almost surely, 2^{1361613601924} is an apocalyptic number.

1361613601924 is the 1166882-nd square number.

It is an amenable number.

1361613601924 is a deficient number, since it is larger than the sum of its proper divisors (1129413828723).

1361613601924 is an frugal number, since it uses more digits than its factorization.

1361613601924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50784 (or 25392 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The spelling of 1361613601924 in words is "one trillion, three hundred sixty-one billion, six hundred thirteen million, six hundred one thousand, nine hundred twenty-four".