451620315645127 has 2 divisors, whose sum is σ = 451620315645128. Its totient is φ = 451620315645126.

The previous prime is 451620315645089. The next prime is 451620315645157. The reversal of 451620315645127 is 721546513026154.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 451620315645127 - 2¹⁵ = 451620315612359 is a prime.

It is a super-2 number, since 2×451620315645127² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (451620315645157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225810157822563 + 225810157822564.

It is an arithmetic number, because the mean of its divisors is an integer number (225810157822564).

Almost surely, 2^{451620315645127} is an apocalyptic number.

451620315645127 is a deficient number, since it is larger than the sum of its proper divisors (1).

451620315645127 is an equidigital number, since it uses as much as digits as its factorization.

451620315645127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048000, while the sum is 52.

The spelling of 451620315645127 in words is "four hundred fifty-one trillion, six hundred twenty billion, three hundred fifteen million, six hundred forty-five thousand, one hundred twenty-seven".