51474247415 has 8 divisors (see below), whose sum is σ = 61773231840. Its totient is φ = 41176641312.

The previous prime is 51474247393. The next prime is 51474247481.

51474247415 is nontrivially palindromic in base 10.

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 51474247415 - 2⁸ = 51474247159 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260555 + ... + 413324.

It is an arithmetic number, because the mean of its divisors is an integer number (7721653980).

Almost surely, 2^51474247415 is an apocalyptic number.

51474247415 is a deficient number, since it is larger than the sum of its proper divisors (10298984425).

51474247415 is a wasteful number, since it uses less digits than its factorization.

51474247415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689161.

The product of its digits is 627200, while the sum is 44.

The spelling of 51474247415 in words is "fifty-one billion, four hundred seventy-four million, two hundred forty-seven thousand, four hundred fifteen".