451215182863 has 2 divisors, whose sum is σ = 451215182864. Its totient is φ = 451215182862.

The previous prime is 451215182857. The next prime is 451215182881. The reversal of 451215182863 is 368281512154.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-451215182863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (451215182813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225607591431 + 225607591432.

It is an arithmetic number, because the mean of its divisors is an integer number (225607591432).

Almost surely, 2^451215182863 is an apocalyptic number.

451215182863 is a deficient number, since it is larger than the sum of its proper divisors (1).

451215182863 is an equidigital number, since it uses as much as digits as its factorization.

451215182863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 460800, while the sum is 46.

The spelling of 451215182863 in words is "four hundred fifty-one billion, two hundred fifteen million, one hundred eighty-two thousand, eight hundred sixty-three".