9979910153 has 2 divisors, whose sum is σ = 9979910154. Its totient is φ = 9979910152.

The previous prime is 9979910141. The next prime is 9979910173. The reversal of 9979910153 is 3510199799.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8695189504 + 1284720649 = 93248^2 + 35843^2 .

It is a cyclic number.

It is not a de Polignac number, because 9979910153 - 2⁶ = 9979910089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9979910095 and 9979910104.

It is not a weakly prime, because it can be changed into another prime (9979910173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4989955076 + 4989955077.

It is an arithmetic number, because the mean of its divisors is an integer number (4989955077).

Almost surely, 2^9979910153 is an apocalyptic number.

It is an amenable number.

9979910153 is a deficient number, since it is larger than the sum of its proper divisors (1).

9979910153 is an equidigital number, since it uses as much as digits as its factorization.

9979910153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 688905, while the sum is 53.

The square root of 9979910153 is about 99899.5002640153. The cubic root of 9979910153 is about 2152.9909806934.

The spelling of 9979910153 in words is "nine billion, nine hundred seventy-nine million, nine hundred ten thousand, one hundred fifty-three".