51596365405 has 16 divisors (see below), whose sum is σ = 69577441920. Its totient is φ = 36445324608.

The previous prime is 51596365391. The next prime is 51596365409. The reversal of 51596365405 is 50456369515.

It is a cyclic number.

It is not a de Polignac number, because 51596365405 - 2¹³ = 51596357213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51596365409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17254815 + ... + 17257804.

It is an arithmetic number, because the mean of its divisors is an integer number (4348590120).

Almost surely, 2^51596365405 is an apocalyptic number.

It is an amenable number.

51596365405 is a deficient number, since it is larger than the sum of its proper divisors (17981076515).

51596365405 is a wasteful number, since it uses less digits than its factorization.

51596365405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34512660.

The product of its (nonzero) digits is 2430000, while the sum is 49.

The spelling of 51596365405 in words is "fifty-one billion, five hundred ninety-six million, three hundred sixty-five thousand, four hundred five".