63190769 has 2 divisors, whose sum is σ = 63190770. Its totient is φ = 63190768.

The previous prime is 63190733. The next prime is 63190811. The reversal of 63190769 is 96709136.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62220544 + 970225 = 7888^2 + 985^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63190769 is a prime.

It is a super-2 number, since 2×63190769² = 7986146573622722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (63193769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31595384 + 31595385.

It is an arithmetic number, because the mean of its divisors is an integer number (31595385).

Almost surely, 2^63190769 is an apocalyptic number.

It is an amenable number.

63190769 is a deficient number, since it is larger than the sum of its proper divisors (1).

63190769 is an equidigital number, since it uses as much as digits as its factorization.

63190769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 63190769 is about 7949.2621670190. The cubic root of 63190769 is about 398.3069461152.

The spelling of 63190769 in words is "sixty-three million, one hundred ninety thousand, seven hundred sixty-nine".