464233059644639 has 4 divisors (see below), whose sum is σ = 464234518379856. Its totient is φ = 464231600909424.

The previous prime is 464233059644491. The next prime is 464233059644671. The reversal of 464233059644639 is 936446950332464.

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

It is a cyclic number.

It is not a de Polignac number, because 464233059644639 - 2³² = 464228764677343 is a prime.

It is a super-2 number, since 2×464233059644639² (a number of 30 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 (464233059641639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 728890139 + ... + 729526764.

It is an arithmetic number, because the mean of its divisors is an integer number (116058629594964).

Almost surely, 2^{464233059644639} is an apocalyptic number.

464233059644639 is a deficient number, since it is larger than the sum of its proper divisors (1458735217).

464233059644639 is a wasteful number, since it uses less digits than its factorization.

464233059644639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458735216.

The product of its (nonzero) digits is 1209323520, while the sum is 68.

The spelling of 464233059644639 in words is "four hundred sixty-four trillion, two hundred thirty-three billion, fifty-nine million, six hundred forty-four thousand, six hundred thirty-nine".