969998611 has 2 divisors, whose sum is σ = 969998612. Its totient is φ = 969998610.

The previous prime is 969998609. The next prime is 969998639. The reversal of 969998611 is 116899969.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 969998611 - 2¹ = 969998609 is a prime.

Together with 969998609, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (969998651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484999305 + 484999306.

It is an arithmetic number, because the mean of its divisors is an integer number (484999306).

Almost surely, 2^969998611 is an apocalyptic number.

969998611 is a deficient number, since it is larger than the sum of its proper divisors (1).

969998611 is an equidigital number, since it uses as much as digits as its factorization.

969998611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1889568, while the sum is 58.

The square root of 969998611 is about 31144.8007057358. The cubic root of 969998611 is about 989.8978267511.

Adding to 969998611 its product of digits (1889568), we get a palindrome (971888179).

The spelling of 969998611 in words is "nine hundred sixty-nine million, nine hundred ninety-eight thousand, six hundred eleven".