4644797634 has 32 divisors (see below), whose sum is σ = 10331610240. Its totient is φ = 1546790256.

The previous prime is 4644797587. The next prime is 4644797639. The reversal of 4644797634 is 4367974464.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (4644797639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16944 + ... + 97860.

It is an arithmetic number, because the mean of its divisors is an integer number (322862820).

Almost surely, 2^4644797634 is an apocalyptic number.

4644797634 is an abundant number, since it is smaller than the sum of its proper divisors (5686812606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4644797634 is a wasteful number, since it uses less digits than its factorization.

4644797634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81991 (or 81985 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 54.

The square root of 4644797634 is about 68152.7522114845. The cubic root of 4644797634 is about 1668.4848430107.

The spelling of 4644797634 in words is "four billion, six hundred forty-four million, seven hundred ninety-seven thousand, six hundred thirty-four".