27387602051 has 2 divisors, whose sum is σ = 27387602052. Its totient is φ = 27387602050.

The previous prime is 27387601999. The next prime is 27387602101. The reversal of 27387602051 is 15020678372.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27387602051 is a prime.

It is a super-2 number, since 2×27387602051² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (27387602951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13693801025 + 13693801026.

It is an arithmetic number, because the mean of its divisors is an integer number (13693801026).

Almost surely, 2^27387602051 is an apocalyptic number.

27387602051 is a deficient number, since it is larger than the sum of its proper divisors (1).

27387602051 is an equidigital number, since it uses as much as digits as its factorization.

27387602051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 27387602051 in words is "twenty-seven billion, three hundred eighty-seven million, six hundred two thousand, fifty-one".