51707426429 has 8 divisors (see below), whose sum is σ = 51751941240. Its totient is φ = 51662935296.

The previous prime is 51707426413. The next prime is 51707426467. The reversal of 51707426429 is 92462470715.

It can be written as a sum of positive squares in 4 ways, for example, as 936972100 + 50770454329 = 30610^2 + 225323^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51707426429 - 2⁴ = 51707426413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51707429429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10110377 + ... + 10115489.

It is an arithmetic number, because the mean of its divisors is an integer number (6468992655).

Almost surely, 2^51707426429 is an apocalyptic number.

It is an amenable number.

51707426429 is a deficient number, since it is larger than the sum of its proper divisors (44514811).

51707426429 is a wasteful number, since it uses less digits than its factorization.

51707426429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11839.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 51707426429 in words is "fifty-one billion, seven hundred seven million, four hundred twenty-six thousand, four hundred twenty-nine".