5109431517 has 12 divisors (see below), whose sum is σ = 7386085980. Its totient is φ = 3403612608.

The previous prime is 5109431513. The next prime is 5109431539. The reversal of 5109431517 is 7151349015.

It is a happy number.

5109431517 is a `hidden beast` number, since 5 + 109 + 4 + 31 + 517 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3493873881 + 1615557636 = 59109^2 + 40194^2 .

It is not a de Polignac number, because 5109431517 - 2² = 5109431513 is a prime.

It is a super-2 number, since 2×5109431517² = 52212580853825842578, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5109431513) 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, 210792 + ... + 233777.

It is an arithmetic number, because the mean of its divisors is an integer number (615507165).

Almost surely, 2^5109431517 is an apocalyptic number.

It is an amenable number.

5109431517 is a deficient number, since it is larger than the sum of its proper divisors (2276654463).

5109431517 is a wasteful number, since it uses less digits than its factorization.

5109431517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445852 (or 445849 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 36.

The square root of 5109431517 is about 71480.2876113408. The cubic root of 5109431517 is about 1722.3610441754.

The spelling of 5109431517 in words is "five billion, one hundred nine million, four hundred thirty-one thousand, five hundred seventeen".