999411451 has 2 divisors, whose sum is σ = 999411452. Its totient is φ = 999411450.

The previous prime is 999411401. The next prime is 999411493. The reversal of 999411451 is 154114999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 999411451 - 2⁷ = 999411323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 999411398 and 999411407.

It is not a weakly prime, because it can be changed into another prime (999411401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499705725 + 499705726.

It is an arithmetic number, because the mean of its divisors is an integer number (499705726).

Almost surely, 2^999411451 is an apocalyptic number.

999411451 is a deficient number, since it is larger than the sum of its proper divisors (1).

999411451 is an equidigital number, since it uses as much as digits as its factorization.

999411451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 43.

The square root of 999411451 is about 31613.4694552812. The cubic root of 999411451 is about 999.8037784996.

The spelling of 999411451 in words is "nine hundred ninety-nine million, four hundred eleven thousand, four hundred fifty-one".