99695669 has 2 divisors, whose sum is σ = 99695670. Its totient is φ = 99695668.

The previous prime is 99695653. The next prime is 99695671. The reversal of 99695669 is 96659699.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82992100 + 16703569 = 9110^2 + 4087^2 .

It is a cyclic number.

It is not a de Polignac number, because 99695669 - 2⁴ = 99695653 is a prime.

It is a super-2 number, since 2×99695669² = 19878452834715122, which contains 22 as substring.

Together with 99695671, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99695369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49847834 + 49847835.

It is an arithmetic number, because the mean of its divisors is an integer number (49847835).

Almost surely, 2^99695669 is an apocalyptic number.

It is an amenable number.

99695669 is a deficient number, since it is larger than the sum of its proper divisors (1).

99695669 is an equidigital number, since it uses as much as digits as its factorization.

99695669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7085880, while the sum is 59.

The square root of 99695669 is about 9984.7718551803. The cubic root of 99695669 is about 463.6875451042.

The spelling of 99695669 in words is "ninety-nine million, six hundred ninety-five thousand, six hundred sixty-nine".