51432434205 has 16 divisors (see below), whose sum is σ = 83020144320. Its totient is φ = 27187881728.

The previous prime is 51432434153. The next prime is 51432434227. The reversal of 51432434205 is 50243423415.

It is a cyclic number.

It is not a de Polignac number, because 51432434205 - 2⁹ = 51432433693 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15170115 + ... + 15173504.

It is an arithmetic number, because the mean of its divisors is an integer number (5188759020).

Almost surely, 2^51432434205 is an apocalyptic number.

It is an amenable number.

51432434205 is a deficient number, since it is larger than the sum of its proper divisors (31587710115).

51432434205 is a wasteful number, since it uses less digits than its factorization.

51432434205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30343740.

The product of its (nonzero) digits is 57600, while the sum is 33.

The spelling of 51432434205 in words is "fifty-one billion, four hundred thirty-two million, four hundred thirty-four thousand, two hundred five".