5172154379 has 24 divisors (see below), whose sum is σ = 6299188560. Its totient is φ = 4228736064.

The previous prime is 5172154333. The next prime is 5172154381. The reversal of 5172154379 is 9734512715.

It is a de Polignac number, because none of the positive numbers 2^k-5172154379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5172154319) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96017 + ... + 139869.

It is an arithmetic number, because the mean of its divisors is an integer number (262466190).

Almost surely, 2^5172154379 is an apocalyptic number.

5172154379 is a deficient number, since it is larger than the sum of its proper divisors (1127034181).

5172154379 is a wasteful number, since it uses less digits than its factorization.

5172154379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43979 (or 43972 counting only the distinct ones).

The product of its digits is 264600, while the sum is 44.

The square root of 5172154379 is about 71917.6916968280. The cubic root of 5172154379 is about 1729.3802427706.

The spelling of 5172154379 in words is "five billion, one hundred seventy-two million, one hundred fifty-four thousand, three hundred seventy-nine".