51398594127 has 12 divisors (see below), whose sum is σ = 76053204864. Its totient is φ = 33429979680.

The previous prime is 51398594101. The next prime is 51398594153. The reversal of 51398594127 is 72149589315.

It is a happy number.

51398594127 is a `hidden beast` number, since 5 + 1 + 39 + 8 + 594 + 12 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (51398594101) and next prime (51398594153).

It is not a de Polignac number, because 51398594127 - 2⁷ = 51398593999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51398594227) 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, 69645423 + ... + 69646160.

It is an arithmetic number, because the mean of its divisors is an integer number (6337767072).

Almost surely, 2^51398594127 is an apocalyptic number.

51398594127 is a deficient number, since it is larger than the sum of its proper divisors (24654610737).

51398594127 is a wasteful number, since it uses less digits than its factorization.

51398594127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139291630 (or 139291627 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 54.

The spelling of 51398594127 in words is "fifty-one billion, three hundred ninety-eight million, five hundred ninety-four thousand, one hundred twenty-seven".