51493150526698 has 8 divisors (see below), whose sum is σ = 77240462906880. Its totient is φ = 25746329557740.

The previous prime is 51493150526663. The next prime is 51493150526723. The reversal of 51493150526698 is 89662505139415.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122590728 + ... + 123010051.

It is an arithmetic number, because the mean of its divisors is an integer number (9655057863360).

Almost surely, 2^{51493150526698} is an apocalyptic number.

51493150526698 is a deficient number, since it is larger than the sum of its proper divisors (25747312380182).

51493150526698 is a wasteful number, since it uses less digits than its factorization.

51493150526698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245705612.

The product of its (nonzero) digits is 69984000, while the sum is 64.

The spelling of 51493150526698 in words is "fifty-one trillion, four hundred ninety-three billion, one hundred fifty million, five hundred twenty-six thousand, six hundred ninety-eight".