9972790153 has 4 divisors (see below), whose sum is σ = 10242325060. Its totient is φ = 9703255248.

The previous prime is 9972790123. The next prime is 9972790169. The reversal of 9972790153 is 3510972799.

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 7030487104 + 2942303049 = 83848^2 + 54243^2 .

It is a cyclic number.

It is not a de Polignac number, because 9972790153 - 2⁹ = 9972789641 is a prime.

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 9972790153.

It is not an unprimeable number, because it can be changed into a prime (9972790123) 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, 134767398 + ... + 134767471.

It is an arithmetic number, because the mean of its divisors is an integer number (2560581265).

Almost surely, 2^9972790153 is an apocalyptic number.

It is an amenable number.

9972790153 is a deficient number, since it is larger than the sum of its proper divisors (269534907).

9972790153 is a wasteful number, since it uses less digits than its factorization.

9972790153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269534906.

The product of its (nonzero) digits is 1071630, while the sum is 52.

The square root of 9972790153 is about 99863.8580919043. The cubic root of 9972790153 is about 2152.4788537480.

The spelling of 9972790153 in words is "nine billion, nine hundred seventy-two million, seven hundred ninety thousand, one hundred fifty-three".