51264415826929 has 8 divisors (see below), whose sum is σ = 51692516789760. Its totient is φ = 50838094910400.

The previous prime is 51264415826893. The next prime is 51264415826959. The reversal of 51264415826929 is 92962851446215.

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 51264415826929 - 2¹⁵ = 51264415794161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51264415826959) 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, 444953737 + ... + 445068934.

It is an arithmetic number, because the mean of its divisors is an integer number (6461564598720).

Almost surely, 2^{51264415826929} is an apocalyptic number.

It is an amenable number.

51264415826929 is a deficient number, since it is larger than the sum of its proper divisors (428100962831).

51264415826929 is a wasteful number, since it uses less digits than its factorization.

51264415826929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890023151.

The product of its digits is 74649600, while the sum is 64.

The spelling of 51264415826929 in words is "fifty-one trillion, two hundred sixty-four billion, four hundred fifteen million, eight hundred twenty-six thousand, nine hundred twenty-nine".