51404620598633 has 8 divisors (see below), whose sum is σ = 53651946397896. Its totient is φ = 49204606921600.

The previous prime is 51404620598537. The next prime is 51404620598641. The reversal of 51404620598633 is 33689502640415.

It can be written as a sum of positive squares in 4 ways, for example, as 2124038078464 + 49280582520169 = 1457408^2 + 7020013^2 .

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 51404620598633 - 2¹⁰ = 51404620597609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51404620598663) 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, 11828028338 + ... + 11828032683.

It is an arithmetic number, because the mean of its divisors is an integer number (6706493299737).

Almost surely, 2^{51404620598633} is an apocalyptic number.

51404620598633 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

51404620598633 is a deficient number, since it is larger than the sum of its proper divisors (2247325799263).

51404620598633 is a wasteful number, since it uses less digits than its factorization.

51404620598633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23656061115.

The product of its (nonzero) digits is 18662400, while the sum is 56.

The spelling of 51404620598633 in words is "fifty-one trillion, four hundred four billion, six hundred twenty million, five hundred ninety-eight thousand, six hundred thirty-three".