5197447915 has 24 divisors (see below), whose sum is σ = 6984868464. Its totient is φ = 3708619200.

The previous prime is 5197447909. The next prime is 5197447939.

5197447915 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5197447915 - 2³ = 5197447907 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48981 + ... + 113110.

It is an arithmetic number, because the mean of its divisors is an integer number (291036186).

Almost surely, 2^5197447915 is an apocalyptic number.

5197447915 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5197447915 is a deficient number, since it is larger than the sum of its proper divisors (1787420549).

5197447915 is a wasteful number, since it uses less digits than its factorization.

5197447915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162171 (or 162160 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 52.

The square root of 5197447915 is about 72093.3278119411. The cubic root of 5197447915 is about 1732.1947391961.

The spelling of 5197447915 in words is "five billion, one hundred ninety-seven million, four hundred forty-seven thousand, nine hundred fifteen".