4645623512 has 32 divisors (see below), whose sum is σ = 8742760320. Its totient is φ = 2314241280.

The previous prime is 4645623511. The next prime is 4645623517. The reversal of 4645623512 is 2153265464.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4645623511) 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, 4549562 + ... + 4550582.

It is an arithmetic number, because the mean of its divisors is an integer number (273211260).

Almost surely, 2^4645623512 is an apocalyptic number.

It is an amenable number.

4645623512 is a deficient number, since it is larger than the sum of its proper divisors (4097136808).

4645623512 is a wasteful number, since it uses less digits than its factorization.

4645623512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2571 (or 2567 counting only the distinct ones).

The product of its digits is 172800, while the sum is 38.

The square root of 4645623512 is about 68158.8109638072. The cubic root of 4645623512 is about 1668.5837266343.

Adding to 4645623512 its reverse (2153265464), we get a palindrome (6798888976).

The spelling of 4645623512 in words is "four billion, six hundred forty-five million, six hundred twenty-three thousand, five hundred twelve".