461644499 has 2 divisors, whose sum is σ = 461644500. Its totient is φ = 461644498.

The previous prime is 461644487. The next prime is 461644511. The reversal of 461644499 is 994446164.

It is a balanced prime because it is at equal distance from previous prime (461644487) and next prime (461644511).

It is a cyclic number.

It is not a de Polignac number, because 461644499 - 2⁴ = 461644483 is a prime.

It is a super-2 number, since 2×461644499² = 426231286913922002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (461644459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230822249 + 230822250.

It is an arithmetic number, because the mean of its divisors is an integer number (230822250).

Almost surely, 2^461644499 is an apocalyptic number.

461644499 is a deficient number, since it is larger than the sum of its proper divisors (1).

461644499 is an equidigital number, since it uses as much as digits as its factorization.

461644499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 47.

The square root of 461644499 is about 21485.9139670622. The cubic root of 461644499 is about 772.8630685823.

The spelling of 461644499 in words is "four hundred sixty-one million, six hundred forty-four thousand, four hundred ninety-nine".