461812404218147 has 2 divisors, whose sum is σ = 461812404218148. Its totient is φ = 461812404218146.

The previous prime is 461812404218141. The next prime is 461812404218201. The reversal of 461812404218147 is 741812404218164.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 461812404218147 - 2¹⁸ = 461812403956003 is a prime.

It is a super-2 number, since 2×461812404218147² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (461812404218141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230906202109073 + 230906202109074.

It is an arithmetic number, because the mean of its divisors is an integer number (230906202109074).

Almost surely, 2^{461812404218147} is an apocalyptic number.

461812404218147 is a deficient number, since it is larger than the sum of its proper divisors (1).

461812404218147 is an equidigital number, since it uses as much as digits as its factorization.

461812404218147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2752512, while the sum is 53.

The spelling of 461812404218147 in words is "four hundred sixty-one trillion, eight hundred twelve billion, four hundred four million, two hundred eighteen thousand, one hundred forty-seven".