464145508991 has 2 divisors, whose sum is σ = 464145508992. Its totient is φ = 464145508990.

The previous prime is 464145508933. The next prime is 464145508993. The reversal of 464145508991 is 199805541464.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 464145508991 - 2⁶ = 464145508927 is a prime.

Together with 464145508993, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (464145508993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232072754495 + 232072754496.

It is an arithmetic number, because the mean of its divisors is an integer number (232072754496).

Almost surely, 2^464145508991 is an apocalyptic number.

464145508991 is a deficient number, since it is larger than the sum of its proper divisors (1).

464145508991 is an equidigital number, since it uses as much as digits as its factorization.

464145508991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6220800, while the sum is 56.

The spelling of 464145508991 in words is "four hundred sixty-four billion, one hundred forty-five million, five hundred eight thousand, nine hundred ninety-one".