4626661121 has 4 divisors (see below), whose sum is σ = 4626866244. Its totient is φ = 4626456000.

The previous prime is 4626661099. The next prime is 4626661141. The reversal of 4626661121 is 1211666264.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2627587600 + 1999073521 = 51260^2 + 44711^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4626661121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4626661141) 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, 63860 + ... + 115461.

It is an arithmetic number, because the mean of its divisors is an integer number (1156716561).

Almost surely, 2^4626661121 is an apocalyptic number.

It is an amenable number.

4626661121 is a deficient number, since it is larger than the sum of its proper divisors (205123).

4626661121 is a wasteful number, since it uses less digits than its factorization.

4626661121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205122.

The product of its digits is 20736, while the sum is 35.

The square root of 4626661121 is about 68019.5642517651. The cubic root of 4626661121 is about 1666.3103694679.

The spelling of 4626661121 in words is "four billion, six hundred twenty-six million, six hundred sixty-one thousand, one hundred twenty-one".