463449356991 has 6 divisors (see below), whose sum is σ = 669426849000. Its totient is φ = 308966237988.

The previous prime is 463449356983. The next prime is 463449357109. The reversal of 463449356991 is 199653944364.

463449356991 is a `hidden beast` number, since 4 + 6 + 3 + 4 + 493 + 56 + 9 + 91 = 666.

It is not a de Polignac number, because 463449356991 - 2³ = 463449356983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (463449356911) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25747186491 + ... + 25747186508.

It is an arithmetic number, because the mean of its divisors is an integer number (111571141500).

Almost surely, 2^463449356991 is an apocalyptic number.

463449356991 is a deficient number, since it is larger than the sum of its proper divisors (205977492009).

463449356991 is a wasteful number, since it uses less digits than its factorization.

463449356991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51494373005 (or 51494373002 counting only the distinct ones).

The product of its digits is 75582720, while the sum is 63.

The spelling of 463449356991 in words is "four hundred sixty-three billion, four hundred forty-nine million, three hundred fifty-six thousand, nine hundred ninety-one".