63495769 has 2 divisors, whose sum is σ = 63495770. Its totient is φ = 63495768.

The previous prime is 63495767. The next prime is 63495779. The reversal of 63495769 is 96759436.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56070144 + 7425625 = 7488^2 + 2725^2 .

It is a cyclic number.

It is not a de Polignac number, because 63495769 - 2¹ = 63495767 is a prime.

It is a super-2 number, since 2×63495769² = 8063425361802722, which contains 22 as substring.

Together with 63495767, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (63495767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31747884 + 31747885.

It is an arithmetic number, because the mean of its divisors is an integer number (31747885).

Almost surely, 2^63495769 is an apocalyptic number.

It is an amenable number.

63495769 is a deficient number, since it is larger than the sum of its proper divisors (1).

63495769 is an equidigital number, since it uses as much as digits as its factorization.

63495769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1224720, while the sum is 49.

The square root of 63495769 is about 7968.4232442811. The cubic root of 63495769 is about 398.9467478339.

The spelling of 63495769 in words is "sixty-three million, four hundred ninety-five thousand, seven hundred sixty-nine".