4631689969 has 2 divisors, whose sum is σ = 4631689970. Its totient is φ = 4631689968.

The previous prime is 4631689939. The next prime is 4631690083. The reversal of 4631689969 is 9699861364.

4631689969 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4427571600 + 204118369 = 66540^2 + 14287^2 .

It is a cyclic number.

It is not a de Polignac number, because 4631689969 - 2¹³ = 4631681777 is a prime.

It is a super-2 number, since 2×4631689969² = 42905103937870441922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4631689939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2315844984 + 2315844985.

It is an arithmetic number, because the mean of its divisors is an integer number (2315844985).

Almost surely, 2^4631689969 is an apocalyptic number.

It is an amenable number.

4631689969 is a deficient number, since it is larger than the sum of its proper divisors (1).

4631689969 is an equidigital number, since it uses as much as digits as its factorization.

4631689969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15116544, while the sum is 61.

The square root of 4631689969 is about 68056.5204003261. The cubic root of 4631689969 is about 1666.9138707234.

The spelling of 4631689969 in words is "four billion, six hundred thirty-one million, six hundred eighty-nine thousand, nine hundred sixty-nine".