9897022951 has 2 divisors, whose sum is σ = 9897022952. Its totient is φ = 9897022950.

The previous prime is 9897022939. The next prime is 9897022963. The reversal of 9897022951 is 1592207989.

It is a balanced prime because it is at equal distance from previous prime (9897022939) and next prime (9897022963).

It is a cyclic number.

It is not a de Polignac number, because 9897022951 - 2²⁵ = 9863468519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9897022901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4948511475 + 4948511476.

It is an arithmetic number, because the mean of its divisors is an integer number (4948511476).

Almost surely, 2^9897022951 is an apocalyptic number.

9897022951 is the 44491-st centered decagonal number.

9897022951 is a deficient number, since it is larger than the sum of its proper divisors (1).

9897022951 is an equidigital number, since it uses as much as digits as its factorization.

9897022951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 52.

The square root of 9897022951 is about 99483.7823516979. The cubic root of 9897022951 is about 2147.0139149006.

The spelling of 9897022951 in words is "nine billion, eight hundred ninety-seven million, twenty-two thousand, nine hundred fifty-one".