940772489 has 2 divisors, whose sum is σ = 940772490. Its totient is φ = 940772488.

The previous prime is 940772467. The next prime is 940772501. The reversal of 940772489 is 984277049.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 912523264 + 28249225 = 30208^2 + 5315^2 .

It is a cyclic number.

It is not a de Polignac number, because 940772489 - 2²⁰ = 939723913 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (940772689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470386244 + 470386245.

It is an arithmetic number, because the mean of its divisors is an integer number (470386245).

Almost surely, 2^940772489 is an apocalyptic number.

It is an amenable number.

940772489 is a deficient number, since it is larger than the sum of its proper divisors (1).

940772489 is an equidigital number, since it uses as much as digits as its factorization.

940772489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The square root of 940772489 is about 30672.0147528655. The cubic root of 940772489 is about 979.8543754880.

The spelling of 940772489 in words is "nine hundred forty million, seven hundred seventy-two thousand, four hundred eighty-nine".