464312321519 has 4 divisors (see below), whose sum is σ = 464446635744. Its totient is φ = 464178007296.

The previous prime is 464312321509. The next prime is 464312321527. The reversal of 464312321519 is 915123213464.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-464312321519 is a prime.

It is a super-2 number, since 2×464312321519² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464312321509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67151927 + ... + 67158840.

It is an arithmetic number, because the mean of its divisors is an integer number (116111658936).

Almost surely, 2^464312321519 is an apocalyptic number.

464312321519 is a deficient number, since it is larger than the sum of its proper divisors (134314225).

464312321519 is a wasteful number, since it uses less digits than its factorization.

464312321519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134314224.

The product of its digits is 155520, while the sum is 41.

The spelling of 464312321519 in words is "four hundred sixty-four billion, three hundred twelve million, three hundred twenty-one thousand, five hundred nineteen".