763056989 has 2 divisors, whose sum is σ = 763056990. Its totient is φ = 763056988.

The previous prime is 763056979. The next prime is 763057003. The reversal of 763056989 is 989650367.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 748296025 + 14760964 = 27355^2 + 3842^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-763056989 is a prime.

It is a super-2 number, since 2×763056989² = 1164511936923492242, which contains 22 as substring.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 763056989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (763056979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 381528494 + 381528495.

It is an arithmetic number, because the mean of its divisors is an integer number (381528495).

Almost surely, 2^763056989 is an apocalyptic number.

It is an amenable number.

763056989 is a deficient number, since it is larger than the sum of its proper divisors (1).

763056989 is an equidigital number, since it uses as much as digits as its factorization.

763056989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2449440, while the sum is 53.

The square root of 763056989 is about 27623.4861847668. The cubic root of 763056989 is about 913.8024641462.

The spelling of 763056989 in words is "seven hundred sixty-three million, fifty-six thousand, nine hundred eighty-nine".