4721628169 has 8 divisors (see below), whose sum is σ = 4750220160. Its totient is φ = 4693061136.

The previous prime is 4721628151. The next prime is 4721628173. The reversal of 4721628169 is 9618261274.

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

It is a cyclic number.

It is not a de Polignac number, because 4721628169 - 2¹⁷ = 4721497097 is a prime.

It is a super-2 number, since 2×4721628169² = 44587545132588585122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4721628139) 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, 490527 + ... + 500059.

It is an arithmetic number, because the mean of its divisors is an integer number (593777520).

Almost surely, 2^4721628169 is an apocalyptic number.

It is an amenable number.

4721628169 is a deficient number, since it is larger than the sum of its proper divisors (28591991).

4721628169 is a wasteful number, since it uses less digits than its factorization.

4721628169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12479.

The product of its digits is 290304, while the sum is 46.

The square root of 4721628169 is about 68714.1045855944. The cubic root of 4721628169 is about 1677.6341615169.

The spelling of 4721628169 in words is "four billion, seven hundred twenty-one million, six hundred twenty-eight thousand, one hundred sixty-nine".