63696371 has 2 divisors, whose sum is σ = 63696372. Its totient is φ = 63696370.

The previous prime is 63696359. The next prime is 63696377. The reversal of 63696371 is 17369636.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63696371 - 2⁶ = 63696307 is a prime.

It is not a weakly prime, because it can be changed into another prime (63696377) 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, 31848185 + 31848186.

It is an arithmetic number, because the mean of its divisors is an integer number (31848186).

Almost surely, 2^63696371 is an apocalyptic number.

63696371 is a deficient number, since it is larger than the sum of its proper divisors (1).

63696371 is an equidigital number, since it uses as much as digits as its factorization.

63696371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 41.

The square root of 63696371 is about 7981.0006264879. Note that the first 3 decimals coincide. The cubic root of 63696371 is about 399.3664366067.

The spelling of 63696371 in words is "sixty-three million, six hundred ninety-six thousand, three hundred seventy-one".