63157017983 has 2 divisors, whose sum is σ = 63157017984. Its totient is φ = 63157017982.

The previous prime is 63157017967. The next prime is 63157018069. The reversal of 63157017983 is 38971075136.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63157017983 - 2⁴ = 63157017967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63157019983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31578508991 + 31578508992.

It is an arithmetic number, because the mean of its divisors is an integer number (31578508992).

Almost surely, 2^63157017983 is an apocalyptic number.

63157017983 is a deficient number, since it is larger than the sum of its proper divisors (1).

63157017983 is an equidigital number, since it uses as much as digits as its factorization.

63157017983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 952560, while the sum is 50.

The spelling of 63157017983 in words is "sixty-three billion, one hundred fifty-seven million, seventeen thousand, nine hundred eighty-three".