451655473873 has 2 divisors, whose sum is σ = 451655473874. Its totient is φ = 451655473872.

The previous prime is 451655473837. The next prime is 451655473921. The reversal of 451655473873 is 378374556154.

Together with previous prime (451655473837) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 435848195344 + 15807278529 = 660188^2 + 125727^2 .

It is a cyclic number.

It is not a de Polignac number, because 451655473873 - 2⁹ = 451655473361 is a prime.

It is not a weakly prime, because it can be changed into another prime (451655470873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225827736936 + 225827736937.

It is an arithmetic number, because the mean of its divisors is an integer number (225827736937).

Almost surely, 2^451655473873 is an apocalyptic number.

It is an amenable number.

451655473873 is a deficient number, since it is larger than the sum of its proper divisors (1).

451655473873 is an equidigital number, since it uses as much as digits as its factorization.

451655473873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336000, while the sum is 58.

The spelling of 451655473873 in words is "four hundred fifty-one billion, six hundred fifty-five million, four hundred seventy-three thousand, eight hundred seventy-three".