5179719400 has 24 divisors (see below), whose sum is σ = 12042848070. Its totient is φ = 2071887680.

The previous prime is 5179719397. The next prime is 5179719403. The reversal of 5179719400 is 49179715.

It is an interprime number because it is at equal distance from previous prime (5179719397) and next prime (5179719403).

It can be written as a sum of positive squares in 3 ways, for example, as 5068585636 + 111133764 = 71194^2 + 10542^2 .

It is not an unprimeable number, because it can be changed into a prime (5179719403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12949099 + ... + 12949498.

Almost surely, 2^5179719400 is an apocalyptic number.

5179719400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5179719400 is an abundant number, since it is smaller than the sum of its proper divisors (6863128670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5179719400 is a wasteful number, since it uses less digits than its factorization.

5179719400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25898613 (or 25898604 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 43.

The square root of 5179719400 is about 71970.2674720610. The cubic root of 5179719400 is about 1730.2229879519. Note that the first 3 decimals are identical.

The spelling of 5179719400 in words is "five billion, one hundred seventy-nine million, seven hundred nineteen thousand, four hundred".