464382991 has 2 divisors, whose sum is σ = 464382992. Its totient is φ = 464382990.

The previous prime is 464382977. The next prime is 464383027. The reversal of 464382991 is 199283464.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-464382991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (464382791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232191495 + 232191496.

It is an arithmetic number, because the mean of its divisors is an integer number (232191496).

Almost surely, 2^464382991 is an apocalyptic number.

464382991 is a deficient number, since it is larger than the sum of its proper divisors (1).

464382991 is an equidigital number, since it uses as much as digits as its factorization.

464382991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 46.

The square root of 464382991 is about 21549.5473502345. The cubic root of 464382991 is about 774.3882739888.

The spelling of 464382991 in words is "four hundred sixty-four million, three hundred eighty-two thousand, nine hundred ninety-one".