461285442451 has 2 divisors, whose sum is σ = 461285442452. Its totient is φ = 461285442450.

The previous prime is 461285442353. The next prime is 461285442463. The reversal of 461285442451 is 154244582164.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461285442451 is a prime.

It is not a weakly prime, because it can be changed into another prime (461285445451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230642721225 + 230642721226.

It is an arithmetic number, because the mean of its divisors is an integer number (230642721226).

Almost surely, 2^461285442451 is an apocalyptic number.

461285442451 is a deficient number, since it is larger than the sum of its proper divisors (1).

461285442451 is an equidigital number, since it uses as much as digits as its factorization.

461285442451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1228800, while the sum is 46.

The spelling of 461285442451 in words is "four hundred sixty-one billion, two hundred eighty-five million, four hundred forty-two thousand, four hundred fifty-one".