5151477172 has 6 divisors (see below), whose sum is σ = 9015085058. Its totient is φ = 2575738584.

The previous prime is 5151477169. The next prime is 5151477197. The reversal of 5151477172 is 2717741515.

It can be written as a sum of positive squares in only one way, i.e., 5127132816 + 24344356 = 71604^2 + 4934^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 643934643 + ... + 643934650.

Almost surely, 2^5151477172 is an apocalyptic number.

It is an amenable number.

5151477172 is a deficient number, since it is larger than the sum of its proper divisors (3863607886).

5151477172 is a wasteful number, since it uses less digits than its factorization.

5151477172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287869297 (or 1287869295 counting only the distinct ones).

The product of its digits is 68600, while the sum is 40.

The square root of 5151477172 is about 71773.7916791359. The cubic root of 5151477172 is about 1727.0725962983.

The spelling of 5151477172 in words is "five billion, one hundred fifty-one million, four hundred seventy-seven thousand, one hundred seventy-two".