4485231993 has 24 divisors (see below), whose sum is σ = 6785459968. Its totient is φ = 2630628000.

The previous prime is 4485231983. The next prime is 4485232013. The reversal of 4485231993 is 3991325844.

It is not a de Polignac number, because 4485231993 - 2⁶ = 4485231929 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4485231913) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 188038 + ... + 210543.

Almost surely, 2^4485231993 is an apocalyptic number.

It is an amenable number.

4485231993 is a deficient number, since it is larger than the sum of its proper divisors (2300227975).

4485231993 is a wasteful number, since it uses less digits than its factorization.

4485231993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398637 (or 398626 counting only the distinct ones).

The product of its digits is 933120, while the sum is 48.

The square root of 4485231993 is about 66971.8746415240. The cubic root of 4485231993 is about 1649.1556124028.

The spelling of 4485231993 in words is "four billion, four hundred eighty-five million, two hundred thirty-one thousand, nine hundred ninety-three".