6459138263187 has 32 divisors (see below), whose sum is σ = 9574890117120. Its totient is φ = 4303484640000.

The previous prime is 6459138263161. The next prime is 6459138263233. The reversal of 6459138263187 is 7813628319546.

6459138263187 is a `hidden beast` number, since 6 + 4 + 591 + 3 + 8 + 2 + 6 + 31 + 8 + 7 = 666.

It is not a de Polignac number, because 6459138263187 - 2⁸ = 6459138262931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6459138263287) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 443584387 + ... + 443598947.

It is an arithmetic number, because the mean of its divisors is an integer number (299215316160).

Almost surely, 2^{6459138263187} is an apocalyptic number.

6459138263187 is a deficient number, since it is larger than the sum of its proper divisors (3115751853933).

6459138263187 is a wasteful number, since it uses less digits than its factorization.

6459138263187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23392 (or 23386 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 63.

The spelling of 6459138263187 in words is "six trillion, four hundred fifty-nine billion, one hundred thirty-eight million, two hundred sixty-three thousand, one hundred eighty-seven".