451683944974081 has 4 divisors (see below), whose sum is σ = 451694688396592. Its totient is φ = 451673201551572.

The previous prime is 451683944974013. The next prime is 451683944974099. The reversal of 451683944974081 is 180479449386154.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-451683944974081 is a prime.

It is a super-2 number, since 2×451683944974081² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 451683944973995 and 451683944974013.

It is not an unprimeable number, because it can be changed into a prime (451683944974481) 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, 5371648191 + ... + 5371732276.

It is an arithmetic number, because the mean of its divisors is an integer number (112923672099148).

Almost surely, 2^{451683944974081} is an apocalyptic number.

It is an amenable number.

451683944974081 is a deficient number, since it is larger than the sum of its proper divisors (10743422511).

451683944974081 is a wasteful number, since it uses less digits than its factorization.

451683944974081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10743422510.

The product of its (nonzero) digits is 836075520, while the sum is 73.

The spelling of 451683944974081 in words is "four hundred fifty-one trillion, six hundred eighty-three billion, nine hundred forty-four million, nine hundred seventy-four thousand, eighty-one".