1363658746564 has 9 divisors (see below), whose sum is σ = 2386406893647. Its totient is φ = 681828205524.

The previous prime is 1363658746561. The next prime is 1363658746577. The reversal of 1363658746564 is 4656478563631.

The square root of 1363658746564 is 1167758.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1363658746496 and 1363658746505.

It is not an unprimeable number, because it can be changed into a prime (1363658746561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2043577 + ... + 2627455.

Almost surely, 2^{1363658746564} is an apocalyptic number.

1363658746564 is the 1167758-th square number.

It is an amenable number.

1363658746564 is a deficient number, since it is larger than the sum of its proper divisors (1022748147083).

1363658746564 is an frugal number, since it uses more digits than its factorization.

1363658746564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167762 (or 583881 counting only the distinct ones).

The product of its digits is 261273600, while the sum is 64.

Multiplying 1363658746564 by its sum of digits (64), we get a square (87274159780096 = 9342064²).

The spelling of 1363658746564 in words is "one trillion, three hundred sixty-three billion, six hundred fifty-eight million, seven hundred forty-six thousand, five hundred sixty-four".