451620315645147 has 48 divisors (see below), whose sum is σ = 749290245849600. Its totient is φ = 259237360543680.

The previous prime is 451620315645127. The next prime is 451620315645157. The reversal of 451620315645147 is 741546513026154.

451620315645147 is a `hidden beast` number, since 4 + 5 + 1 + 6 + 2 + 0 + 31 + 564 + 5 + 1 + 47 = 666.

It is not a de Polignac number, because 451620315645147 - 2¹⁰ = 451620315644123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 451620315645093 and 451620315645102.

It is not an unprimeable number, because it can be changed into a prime (451620315645127) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23260648 + ... + 38003925.

It is an arithmetic number, because the mean of its divisors is an integer number (15610213455200).

Almost surely, 2^{451620315645147} is an apocalyptic number.

451620315645147 is a deficient number, since it is larger than the sum of its proper divisors (297669930204453).

451620315645147 is a wasteful number, since it uses less digits than its factorization.

451620315645147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61268528 (or 61268525 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 54.

The spelling of 451620315645147 in words is "four hundred fifty-one trillion, six hundred twenty billion, three hundred fifteen million, six hundred forty-five thousand, one hundred forty-seven".