51432623415 has 12 divisors (see below), whose sum is σ = 89149880664. Its totient is φ = 27430732464.

The previous prime is 51432623413. The next prime is 51432623419.

51432623415 is a `hidden beast` number, since 5 + 14 + 3 + 2 + 623 + 4 + 15 = 666.

51432623415 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 51432623415 - 2¹ = 51432623413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51432623415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51432623413) 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, 571473549 + ... + 571473638.

It is an arithmetic number, because the mean of its divisors is an integer number (7429156722).

Almost surely, 2^51432623415 is an apocalyptic number.

51432623415 is a deficient number, since it is larger than the sum of its proper divisors (37717257249).

51432623415 is a wasteful number, since it uses less digits than its factorization.

51432623415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142947198 (or 1142947195 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The spelling of 51432623415 in words is "fifty-one billion, four hundred thirty-two million, six hundred twenty-three thousand, four hundred fifteen".