4389131245 has 16 divisors (see below), whose sum is σ = 5409296640. Its totient is φ = 3417592000.

The previous prime is 4389131167. The next prime is 4389131251. The reversal of 4389131245 is 5421319834.

It is a happy number.

It is not a de Polignac number, because 4389131245 - 2²³ = 4380742637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4389131198 and 4389131207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43861 + ... + 103450.

It is an arithmetic number, because the mean of its divisors is an integer number (338081040).

Almost surely, 2^4389131245 is an apocalyptic number.

It is an amenable number.

4389131245 is a deficient number, since it is larger than the sum of its proper divisors (1020165395).

4389131245 is a wasteful number, since it uses less digits than its factorization.

4389131245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147476.

The product of its digits is 103680, while the sum is 40.

The square root of 4389131245 is about 66250.5188281571. The cubic root of 4389131245 is about 1637.2921859695.

The spelling of 4389131245 in words is "four billion, three hundred eighty-nine million, one hundred thirty-one thousand, two hundred forty-five".