4493831121 has 48 divisors (see below), whose sum is σ = 7102123392. Its totient is φ = 2721600000.

The previous prime is 4493831081. The next prime is 4493831123. The reversal of 4493831121 is 1211383944.

It is not a de Polignac number, because 4493831121 - 2¹¹ = 4493829073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4493831123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1995246 + ... + 1997496.

It is an arithmetic number, because the mean of its divisors is an integer number (147960904).

Almost surely, 2^4493831121 is an apocalyptic number.

It is an amenable number.

4493831121 is a deficient number, since it is larger than the sum of its proper divisors (2608292271).

4493831121 is a wasteful number, since it uses less digits than its factorization.

4493831121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2534 (or 2531 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 4493831121 is about 67036.0434467906. The cubic root of 4493831121 is about 1650.2088650198.

The spelling of 4493831121 in words is "four billion, four hundred ninety-three million, eight hundred thirty-one thousand, one hundred twenty-one".