4745644121 has 8 divisors (see below), whose sum is σ = 4791916800. Its totient is φ = 4699523920.

The previous prime is 4745644093. The next prime is 4745644151. The reversal of 4745644121 is 1214465474.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4745644121 is a prime.

It is a super-2 number, since 2×4745644121² = 45042276246363725282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4745644151) 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, 24935 + ... + 100563.

It is an arithmetic number, because the mean of its divisors is an integer number (598989600).

Almost surely, 2^4745644121 is an apocalyptic number.

It is an amenable number.

4745644121 is a deficient number, since it is larger than the sum of its proper divisors (46272679).

4745644121 is a wasteful number, since it uses less digits than its factorization.

4745644121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76239.

The product of its digits is 107520, while the sum is 38.

The square root of 4745644121 is about 68888.6356447854. The cubic root of 4745644121 is about 1680.4737091265.

The spelling of 4745644121 in words is "four billion, seven hundred forty-five million, six hundred forty-four thousand, one hundred twenty-one".