63285364531 has 2 divisors, whose sum is σ = 63285364532. Its totient is φ = 63285364530.

The previous prime is 63285364481. The next prime is 63285364543. The reversal of 63285364531 is 13546358236.

63285364531 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-63285364531 is a prime.

It is a super-2 number, since 2×63285364531² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (63285364591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31642682265 + 31642682266.

It is an arithmetic number, because the mean of its divisors is an integer number (31642682266).

Almost surely, 2^63285364531 is an apocalyptic number.

63285364531 is a deficient number, since it is larger than the sum of its proper divisors (1).

63285364531 is an equidigital number, since it uses as much as digits as its factorization.

63285364531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1555200, while the sum is 46.

The spelling of 63285364531 in words is "sixty-three billion, two hundred eighty-five million, three hundred sixty-four thousand, five hundred thirty-one".