63892245971 has 2 divisors, whose sum is σ = 63892245972. Its totient is φ = 63892245970.

The previous prime is 63892245961. The next prime is 63892245979. The reversal of 63892245971 is 17954229836.

63892245971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63892245971 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (63892245979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31946122985 + 31946122986.

It is an arithmetic number, because the mean of its divisors is an integer number (31946122986).

Almost surely, 2^63892245971 is an apocalyptic number.

63892245971 is a deficient number, since it is larger than the sum of its proper divisors (1).

63892245971 is an equidigital number, since it uses as much as digits as its factorization.

63892245971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6531840, while the sum is 56.

The spelling of 63892245971 in words is "sixty-three billion, eight hundred ninety-two million, two hundred forty-five thousand, nine hundred seventy-one".