9979596901 has 4 divisors (see below), whose sum is σ = 10052440812. Its totient is φ = 9906752992.

The previous prime is 9979596883. The next prime is 9979596919. The reversal of 9979596901 is 1096959799.

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

It is an interprime number because it is at equal distance from previous prime (9979596883) and next prime (9979596919).

It can be written as a sum of positive squares in 2 ways, for example, as 8677108801 + 1302488100 = 93151^2 + 36090^2 .

It is a cyclic number.

It is not a de Polignac number, because 9979596901 - 2¹⁷ = 9979465829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9979596941) 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, 36421750 + ... + 36422023.

It is an arithmetic number, because the mean of its divisors is an integer number (2513110203).

Almost surely, 2^9979596901 is an apocalyptic number.

It is an amenable number.

9979596901 is a deficient number, since it is larger than the sum of its proper divisors (72843911).

9979596901 is a wasteful number, since it uses less digits than its factorization.

9979596901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72843910.

The product of its (nonzero) digits is 12400290, while the sum is 64.

The square root of 9979596901 is about 99897.9324160415. The cubic root of 9979596901 is about 2152.9684542452.

The spelling of 9979596901 in words is "nine billion, nine hundred seventy-nine million, five hundred ninety-six thousand, nine hundred one".