461397899 has 2 divisors, whose sum is σ = 461397900. Its totient is φ = 461397898.

The previous prime is 461397889. The next prime is 461397907. The reversal of 461397899 is 998793164.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 461397899 - 2⁴ = 461397883 is a prime.

It is a super-2 number, since 2×461397899² = 425776042403228402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (461397829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230698949 + 230698950.

It is an arithmetic number, because the mean of its divisors is an integer number (230698950).

Almost surely, 2^461397899 is an apocalyptic number.

461397899 is a deficient number, since it is larger than the sum of its proper divisors (1).

461397899 is an equidigital number, since it uses as much as digits as its factorization.

461397899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2939328, while the sum is 56.

The square root of 461397899 is about 21480.1745570189. The cubic root of 461397899 is about 772.7254287757.

The spelling of 461397899 in words is "four hundred sixty-one million, three hundred ninety-seven thousand, eight hundred ninety-nine".