464667691 has 2 divisors, whose sum is σ = 464667692. Its totient is φ = 464667690.

The previous prime is 464667659. The next prime is 464667739. The reversal of 464667691 is 196766464.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 464667691 - 2⁵ = 464667659 is a prime.

It is not a weakly prime, because it can be changed into another prime (464667631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232333845 + 232333846.

It is an arithmetic number, because the mean of its divisors is an integer number (232333846).

Almost surely, 2^464667691 is an apocalyptic number.

464667691 is a deficient number, since it is larger than the sum of its proper divisors (1).

464667691 is an equidigital number, since it uses as much as digits as its factorization.

464667691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 49.

The square root of 464667691 is about 21556.1520452979. The cubic root of 464667691 is about 774.5464934664.

The spelling of 464667691 in words is "four hundred sixty-four million, six hundred sixty-seven thousand, six hundred ninety-one".