4644465631 has 8 divisors (see below), whose sum is σ = 5096105280. Its totient is φ = 4206307872.

The previous prime is 4644465629. The next prime is 4644465643. The reversal of 4644465631 is 1365644464.

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

It is not a de Polignac number, because 4644465631 - 2¹ = 4644465629 is a prime.

It is a super-2 number, since 2×4644465631² = 43142121995080456322, which 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 (4644465731) 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, 3369751 + ... + 3371128.

It is an arithmetic number, because the mean of its divisors is an integer number (637013160).

Almost surely, 2^4644465631 is an apocalyptic number.

4644465631 is a deficient number, since it is larger than the sum of its proper divisors (451639649).

4644465631 is a wasteful number, since it uses less digits than its factorization.

4644465631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6740945.

The product of its digits is 829440, while the sum is 43.

The square root of 4644465631 is about 68150.3164409381. The cubic root of 4644465631 is about 1668.4450884856.

The spelling of 4644465631 in words is "four billion, six hundred forty-four million, four hundred sixty-five thousand, six hundred thirty-one".