4644646346 has 8 divisors (see below), whose sum is σ = 6970821984. Its totient is φ = 2321039020.

The previous prime is 4644646343. The next prime is 4644646367. The reversal of 4644646346 is 6436464464.

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

It is a super-2 number, since 2×4644646346² = 43145479358822303432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4644646346.

It is not an unprimeable number, because it can be changed into a prime (4644646343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 637550 + ... + 644793.

It is an arithmetic number, because the mean of its divisors is an integer number (871352748).

Almost surely, 2^4644646346 is an apocalyptic number.

4644646346 is a deficient number, since it is larger than the sum of its proper divisors (2326175638).

4644646346 is a wasteful number, since it uses less digits than its factorization.

4644646346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284156.

The product of its digits is 3981312, while the sum is 47.

The square root of 4644646346 is about 68151.6422839538. The cubic root of 4644646346 is about 1668.4667277992.

The spelling of 4644646346 in words is "four billion, six hundred forty-four million, six hundred forty-six thousand, three hundred forty-six".