451647675163 has 4 divisors (see below), whose sum is σ = 454142966368. Its totient is φ = 449152383960.

The previous prime is 451647675139. The next prime is 451647675181. The reversal of 451647675163 is 361576746154.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 451647675163 - 2¹⁷ = 451647544091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451647675113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1247645331 + ... + 1247645692.

It is an arithmetic number, because the mean of its divisors is an integer number (113535741592).

Almost surely, 2^451647675163 is an apocalyptic number.

451647675163 is a deficient number, since it is larger than the sum of its proper divisors (2495291205).

451647675163 is a wasteful number, since it uses less digits than its factorization.

451647675163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2495291204.

The product of its digits is 12700800, while the sum is 55.

The spelling of 451647675163 in words is "four hundred fifty-one billion, six hundred forty-seven million, six hundred seventy-five thousand, one hundred sixty-three".