969998651 has 2 divisors, whose sum is σ = 969998652. Its totient is φ = 969998650.

The previous prime is 969998639. The next prime is 969998677. The reversal of 969998651 is 156899969.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 969998651 - 2¹⁰ = 969997627 is a prime.

It is not a weakly prime, because it can be changed into another prime (969998611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484999325 + 484999326.

It is an arithmetic number, because the mean of its divisors is an integer number (484999326).

Almost surely, 2^969998651 is an apocalyptic number.

969998651 is a deficient number, since it is larger than the sum of its proper divisors (1).

969998651 is an equidigital number, since it uses as much as digits as its factorization.

969998651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9447840, while the sum is 62.

The square root of 969998651 is about 31144.8013478975. The cubic root of 969998651 is about 989.8978403579.

The spelling of 969998651 in words is "nine hundred sixty-nine million, nine hundred ninety-eight thousand, six hundred fifty-one".