464443643 has 8 divisors (see below), whose sum is σ = 480884736. Its totient is φ = 448093800.

The previous prime is 464443633. The next prime is 464443697. The reversal of 464443643 is 346344464.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-464443643 is a prime.

It is a super-2 number, since 2×464443643² = 431415795046222898, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 464443597 and 464443606.

It is not an unprimeable number, because it can be changed into a prime (464443633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12371 + ... + 32892.

It is an arithmetic number, because the mean of its divisors is an integer number (60110592).

Almost surely, 2^464443643 is an apocalyptic number.

464443643 is a deficient number, since it is larger than the sum of its proper divisors (16441093).

464443643 is a wasteful number, since it uses less digits than its factorization.

464443643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45625.

The product of its digits is 331776, while the sum is 38.

The square root of 464443643 is about 21550.9545728258. The cubic root of 464443643 is about 774.4219862148.

The spelling of 464443643 in words is "four hundred sixty-four million, four hundred forty-three thousand, six hundred forty-three".