9913211153 has 2 divisors, whose sum is σ = 9913211154. Its totient is φ = 9913211152.

The previous prime is 9913211111. The next prime is 9913211177. The reversal of 9913211153 is 3511123199.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9728468689 + 184742464 = 98633^2 + 13592^2 .

It is an emirp because it is prime and its reverse (3511123199) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9913211153 - 2⁶ = 9913211089 is a prime.

It is not a weakly prime, because it can be changed into another prime (9913211353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4956605576 + 4956605577.

It is an arithmetic number, because the mean of its divisors is an integer number (4956605577).

Almost surely, 2^9913211153 is an apocalyptic number.

It is an amenable number.

9913211153 is a deficient number, since it is larger than the sum of its proper divisors (1).

9913211153 is an equidigital number, since it uses as much as digits as its factorization.

9913211153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7290, while the sum is 35.

The square root of 9913211153 is about 99565.1101189568. The cubic root of 9913211153 is about 2148.1838748792.

The spelling of 9913211153 in words is "nine billion, nine hundred thirteen million, two hundred eleven thousand, one hundred fifty-three".