1238862493764 has 81 divisors (see below), whose sum is σ = 3642983132061. Its totient is φ = 353947356000.

The previous prime is 1238862493747. The next prime is 1238862493777. The reversal of 1238862493764 is 4673942688321.

The square root of 1238862493764 is 1113042.

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

1238862493764 is a `hidden beast` number, since 1 + 2 + 3 + 8 + 86 + 2 + 493 + 7 + 64 = 666.

It can be written as a sum of positive squares in only one way, i.e., 426484751364 + 812377742400 = 653058^2 + 901320^2 .

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 46734514 + ... + 46761014.

Almost surely, 2^{1238862493764} is an apocalyptic number.

1238862493764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1238862493764 is the 1113042-nd square number.

It is an amenable number.

1238862493764 is an abundant number, since it is smaller than the sum of its proper divisors (2404120638297).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1238862493764 is an frugal number, since it uses more digits than its factorization.

1238862493764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53026 (or 26513 counting only the distinct ones).

The product of its digits is 83607552, while the sum is 63.

The spelling of 1238862493764 in words is "one trillion, two hundred thirty-eight billion, eight hundred sixty-two million, four hundred ninety-three thousand, seven hundred sixty-four".