99814669 has 2 divisors, whose sum is σ = 99814670. Its totient is φ = 99814668.

The previous prime is 99814651. The next prime is 99814691. The reversal of 99814669 is 96641899.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63393444 + 36421225 = 7962^2 + 6035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99814669 is a prime.

It is a super-2 number, since 2×99814669² = 19925936295159122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99814639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49907334 + 49907335.

It is an arithmetic number, because the mean of its divisors is an integer number (49907335).

Almost surely, 2^99814669 is an apocalyptic number.

It is an amenable number.

99814669 is a deficient number, since it is larger than the sum of its proper divisors (1).

99814669 is an equidigital number, since it uses as much as digits as its factorization.

99814669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 839808, while the sum is 52.

The square root of 99814669 is about 9990.7291525694. The cubic root of 99814669 is about 463.8719626038.

The spelling of 99814669 in words is "ninety-nine million, eight hundred fourteen thousand, six hundred sixty-nine".