999130461451 has 2 divisors, whose sum is σ = 999130461452. Its totient is φ = 999130461450.

The previous prime is 999130461437. The next prime is 999130461493. The reversal of 999130461451 is 154164031999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 999130461451 - 2³¹ = 996982977803 is a prime.

It is not a weakly prime, because it can be changed into another prime (999130461401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499565230725 + 499565230726.

It is an arithmetic number, because the mean of its divisors is an integer number (499565230726).

Almost surely, 2^999130461451 is an apocalyptic number.

999130461451 is the 632181-st centered pentagonal number.

999130461451 is a deficient number, since it is larger than the sum of its proper divisors (1).

999130461451 is an equidigital number, since it uses as much as digits as its factorization.

999130461451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1049760, while the sum is 52.

The spelling of 999130461451 in words is "nine hundred ninety-nine billion, one hundred thirty million, four hundred sixty-one thousand, four hundred fifty-one".