940799969 has 2 divisors, whose sum is σ = 940799970. Its totient is φ = 940799968.

The previous prime is 940799947. The next prime is 940799971. The reversal of 940799969 is 969997049.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 537312400 + 403487569 = 23180^2 + 20087^2 .

It is a cyclic number.

It is not a de Polignac number, because 940799969 - 2²⁴ = 924022753 is a prime.

It is a super-2 number, since 2×940799969² = 1770209163340801922, which contains 22 as substring.

Together with 940799971, 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 (940799929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470399984 + 470399985.

It is an arithmetic number, because the mean of its divisors is an integer number (470399985).

Almost surely, 2^940799969 is an apocalyptic number.

It is an amenable number.

940799969 is a deficient number, since it is larger than the sum of its proper divisors (1).

940799969 is an equidigital number, since it uses as much as digits as its factorization.

940799969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9920232, while the sum is 62.

The square root of 940799969 is about 30672.4627149500. The cubic root of 940799969 is about 979.8639159229.

The spelling of 940799969 in words is "nine hundred forty million, seven hundred ninety-nine thousand, nine hundred sixty-nine".