51323242422490 has 8 divisors (see below), whose sum is σ = 92381836360500. Its totient is φ = 20529296968992.

The previous prime is 51323242422451. The next prime is 51323242422493. The reversal of 51323242422490 is 9422424232315.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 50461971188281 + 861271234209 = 7103659^2 + 928047^2 .

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

It is not an unprimeable number, because it can be changed into a prime (51323242422493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2566162121115 + ... + 2566162121134.

Almost surely, 2^{51323242422490} is an apocalyptic number.

51323242422490 is a deficient number, since it is larger than the sum of its proper divisors (41058593938010).

51323242422490 is a wasteful number, since it uses less digits than its factorization.

51323242422490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5132324242256.

The product of its (nonzero) digits is 829440, while the sum is 43.

The spelling of 51323242422490 in words is "fifty-one trillion, three hundred twenty-three billion, two hundred forty-two million, four hundred twenty-two thousand, four hundred ninety".