451630079987 has 2 divisors, whose sum is σ = 451630079988. Its totient is φ = 451630079986.

The previous prime is 451630079921. The next prime is 451630080043. The reversal of 451630079987 is 789970036154.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 451630079987 - 2⁸ = 451630079731 is a prime.

It is not a weakly prime, because it can be changed into another prime (451630072987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225815039993 + 225815039994.

It is an arithmetic number, because the mean of its divisors is an integer number (225815039994).

Almost surely, 2^451630079987 is an apocalyptic number.

451630079987 is a deficient number, since it is larger than the sum of its proper divisors (1).

451630079987 is an equidigital number, since it uses as much as digits as its factorization.

451630079987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11430720, while the sum is 59.

The spelling of 451630079987 in words is "four hundred fifty-one billion, six hundred thirty million, seventy-nine thousand, nine hundred eighty-seven".