461049643 has 2 divisors, whose sum is σ = 461049644. Its totient is φ = 461049642.

The previous prime is 461049623. The next prime is 461049709. The reversal of 461049643 is 346940164.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 461049643 - 2⁹ = 461049131 is a prime.

It is not a weakly prime, because it can be changed into another prime (461049613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230524821 + 230524822.

It is an arithmetic number, because the mean of its divisors is an integer number (230524822).

Almost surely, 2^461049643 is an apocalyptic number.

461049643 is a deficient number, since it is larger than the sum of its proper divisors (1).

461049643 is an equidigital number, since it uses as much as digits as its factorization.

461049643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 461049643 is about 21472.0665749713. The cubic root of 461049643 is about 772.5309661065.

The spelling of 461049643 in words is "four hundred sixty-one million, forty-nine thousand, six hundred forty-three".