461991967 has 2 divisors, whose sum is σ = 461991968. Its totient is φ = 461991966.

The previous prime is 461991941. The next prime is 461992021. The reversal of 461991967 is 769199164.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 461991967 - 2¹¹ = 461989919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461991767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230995983 + 230995984.

It is an arithmetic number, because the mean of its divisors is an integer number (230995984).

Almost surely, 2^461991967 is an apocalyptic number.

461991967 is a deficient number, since it is larger than the sum of its proper divisors (1).

461991967 is an equidigital number, since it uses as much as digits as its factorization.

461991967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 734832, while the sum is 52.

The square root of 461991967 is about 21493.9983949008. The cubic root of 461991967 is about 773.0569247045.

The spelling of 461991967 in words is "four hundred sixty-one million, nine hundred ninety-one thousand, nine hundred sixty-seven".