1368373845537 has 12 divisors (see below), whose sum is σ = 2010040677840. Its totient is φ = 896787378648.

The previous prime is 1368373845491. The next prime is 1368373845541. The reversal of 1368373845537 is 7355483738631.

It is a happy number.

1368373845537 is a `hidden beast` number, since 1 + 3 + 6 + 8 + 3 + 73 + 8 + 4 + 553 + 7 = 666.

It is not a de Polignac number, because 1368373845537 - 2³⁵ = 1334014107169 is a prime.

It is a super-2 number, since 2×1368373845537² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1368373845547) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1288487083 + ... + 1288488144.

It is an arithmetic number, because the mean of its divisors is an integer number (167503389820).

Almost surely, 2^{1368373845537} is an apocalyptic number.

It is an amenable number.

1368373845537 is a deficient number, since it is larger than the sum of its proper divisors (641666832303).

1368373845537 is a wasteful number, since it uses less digits than its factorization.

1368373845537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2576975292 (or 2576975289 counting only the distinct ones).

The product of its digits is 152409600, while the sum is 63.

The spelling of 1368373845537 in words is "one trillion, three hundred sixty-eight billion, three hundred seventy-three million, eight hundred forty-five thousand, five hundred thirty-seven".