464122991 has 2 divisors, whose sum is σ = 464122992. Its totient is φ = 464122990.

The previous prime is 464122963. The next prime is 464122999. The reversal of 464122991 is 199221464.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 464122991 - 2⁶ = 464122927 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (464122999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232061495 + 232061496.

It is an arithmetic number, because the mean of its divisors is an integer number (232061496).

Almost surely, 2^464122991 is an apocalyptic number.

464122991 is a deficient number, since it is larger than the sum of its proper divisors (1).

464122991 is an equidigital number, since it uses as much as digits as its factorization.

464122991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 38.

The square root of 464122991 is about 21543.5138962983. The cubic root of 464122991 is about 774.2437248110.

The spelling of 464122991 in words is "four hundred sixty-four million, one hundred twenty-two thousand, nine hundred ninety-one".