5113347997 has 4 divisors (see below), whose sum is σ = 5197173436. Its totient is φ = 5029522560.

The previous prime is 5113347989. The next prime is 5113348007. The reversal of 5113347997 is 7997433115.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 195692121 + 4917655876 = 13989^2 + 70126^2 .

It is a cyclic number.

It is not a de Polignac number, because 5113347997 - 2³ = 5113347989 is a prime.

It is a super-2 number, since 2×5113347997² = 52292655476847824018, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5113347997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5113347937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41912628 + ... + 41912749.

It is an arithmetic number, because the mean of its divisors is an integer number (1299293359).

Almost surely, 2^5113347997 is an apocalyptic number.

It is an amenable number.

5113347997 is a deficient number, since it is larger than the sum of its proper divisors (83825439).

5113347997 is an equidigital number, since it uses as much as digits as its factorization.

5113347997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83825438.

The product of its digits is 714420, while the sum is 49.

The square root of 5113347997 is about 71507.6778884617. The cubic root of 5113347997 is about 1722.8010063480.

The spelling of 5113347997 in words is "five billion, one hundred thirteen million, three hundred forty-seven thousand, nine hundred ninety-seven".