9970972713 has 24 divisors (see below), whose sum is σ = 15929608968. Its totient is φ = 5970143232.

The previous prime is 9970972699. The next prime is 9970972769. The reversal of 9970972713 is 3172790799.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4840402329 + 5130570384 = 69573^2 + 71628^2 .

It is not a de Polignac number, because 9970972713 - 2⁵ = 9970972681 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9970972713.

It is not an unprimeable number, because it can be changed into a prime (9970971713) 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, 1147320 + ... + 1155977.

It is an arithmetic number, because the mean of its divisors is an integer number (663733707).

Almost surely, 2^9970972713 is an apocalyptic number.

It is an amenable number.

9970972713 is a deficient number, since it is larger than the sum of its proper divisors (5958636255).

9970972713 is a wasteful number, since it uses less digits than its factorization.

9970972713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2303353 (or 2303350 counting only the distinct ones).

The product of its (nonzero) digits is 1500282, while the sum is 54.

The square root of 9970972713 is about 99854.7580889364. The cubic root of 9970972713 is about 2152.3480899807.

The spelling of 9970972713 in words is "nine billion, nine hundred seventy million, nine hundred seventy-two thousand, seven hundred thirteen".