51410013697 has 12 divisors (see below), whose sum is σ = 61865676180. Its totient is φ = 42546217056.

The previous prime is 51410013643. The next prime is 51410013749. The reversal of 51410013697 is 79631001415.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12462596496 + 38947417201 = 111636^2 + 197351^2 .

It is not a de Polignac number, because 51410013697 - 2⁷ = 51410013569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51410013397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18087958 + ... + 18090799.

It is an arithmetic number, because the mean of its divisors is an integer number (5155473015).

Almost surely, 2^51410013697 is an apocalyptic number.

It is an amenable number.

51410013697 is a deficient number, since it is larger than the sum of its proper divisors (10455662483).

51410013697 is a wasteful number, since it uses less digits than its factorization.

51410013697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36178800 (or 36178793 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 37.

The spelling of 51410013697 in words is "fifty-one billion, four hundred ten million, thirteen thousand, six hundred ninety-seven".