63695407819 has 2 divisors, whose sum is σ = 63695407820. Its totient is φ = 63695407818.

The previous prime is 63695407801. The next prime is 63695407823. The reversal of 63695407819 is 91870459636.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63695407819 - 2⁷ = 63695407691 is a prime.

It is a super-2 number, since 2×63695407819² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (63695407859) 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, 31847703909 + 31847703910.

It is an arithmetic number, because the mean of its divisors is an integer number (31847703910).

Almost surely, 2^63695407819 is an apocalyptic number.

63695407819 is a deficient number, since it is larger than the sum of its proper divisors (1).

63695407819 is an equidigital number, since it uses as much as digits as its factorization.

63695407819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9797760, while the sum is 58.

The spelling of 63695407819 in words is "sixty-three billion, six hundred ninety-five million, four hundred seven thousand, eight hundred nineteen".