5109435947 has 48 divisors (see below), whose sum is σ = 6791496192. Its totient is φ = 3793870080.

The previous prime is 5109435943. The next prime is 5109435959. The reversal of 5109435947 is 7495349015.

It is not a de Polignac number, because 5109435947 - 2² = 5109435943 is a prime.

It is a super-2 number, since 2×5109435947² = 52212671392991573618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5109435943) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4177178 + ... + 4178400.

It is an arithmetic number, because the mean of its divisors is an integer number (141489504).

Almost surely, 2^5109435947 is an apocalyptic number.

5109435947 is a deficient number, since it is larger than the sum of its proper divisors (1682060245).

5109435947 is a wasteful number, since it uses less digits than its factorization.

5109435947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608 (or 1601 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 47.

The square root of 5109435947 is about 71480.3185988983. The cubic root of 5109435947 is about 1722.3615419514.

The spelling of 5109435947 in words is "five billion, one hundred nine million, four hundred thirty-five thousand, nine hundred forty-seven".