4489242157 has 4 divisors (see below), whose sum is σ = 4725518080. Its totient is φ = 4252966236.

The previous prime is 4489242133. The next prime is 4489242179. The reversal of 4489242157 is 7512429844.

4489242157 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4489242157 - 2¹⁹ = 4488717869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4489242187) 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, 118137933 + ... + 118137970.

It is an arithmetic number, because the mean of its divisors is an integer number (1181379520).

Almost surely, 2^4489242157 is an apocalyptic number.

It is an amenable number.

4489242157 is a deficient number, since it is larger than the sum of its proper divisors (236275923).

4489242157 is a wasteful number, since it uses less digits than its factorization.

4489242157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236275922.

The product of its digits is 645120, while the sum is 46.

The square root of 4489242157 is about 67001.8071174203. The cubic root of 4489242157 is about 1649.6469593005.

The spelling of 4489242157 in words is "four billion, four hundred eighty-nine million, two hundred forty-two thousand, one hundred fifty-seven".