4516634621 has 4 divisors (see below), whose sum is σ = 4662332544. Its totient is φ = 4370936700.

The previous prime is 4516634593. The next prime is 4516634653. The reversal of 4516634621 is 1264366154.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4516634621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4516634921) 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, 72848915 + ... + 72848976.

It is an arithmetic number, because the mean of its divisors is an integer number (1165583136).

Almost surely, 2^4516634621 is an apocalyptic number.

It is an amenable number.

4516634621 is a deficient number, since it is larger than the sum of its proper divisors (145697923).

4516634621 is a wasteful number, since it uses less digits than its factorization.

4516634621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145697922.

The product of its digits is 103680, while the sum is 38.

The square root of 4516634621 is about 67205.9120985647. The cubic root of 4516634621 is about 1652.9954306373.

The spelling of 4516634621 in words is "four billion, five hundred sixteen million, six hundred thirty-four thousand, six hundred twenty-one".