27893013137451 has 72 divisors (see below), whose sum is σ = 50692333782272. Its totient is φ = 14466911104800.

The previous prime is 27893013137443. The next prime is 27893013137471. The reversal of 27893013137451 is 15473131039872.

27893013137451 is a `hidden beast` number, since 2 + 7 + 8 + 93 + 0 + 131 + 374 + 51 = 666.

It is not a de Polignac number, because 27893013137451 - 2³ = 27893013137443 is a prime.

It is a super-3 number, since 3×27893013137451³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (27893013137401) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1910700 + ... + 7709526.

Almost surely, 2^{27893013137451} is an apocalyptic number.

27893013137451 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

27893013137451 is a deficient number, since it is larger than the sum of its proper divisors (22799320644821).

27893013137451 is a wasteful number, since it uses less digits than its factorization.

27893013137451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5799493 (or 5799479 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The spelling of 27893013137451 in words is "twenty-seven trillion, eight hundred ninety-three billion, thirteen million, one hundred thirty-seven thousand, four hundred fifty-one".