2389242793 has 18 divisors (see below), whose sum is σ = 2811942126. Its totient is φ = 2023951104.

The previous prime is 2389242767. The next prime is 2389242811. The reversal of 2389242793 is 3972429832.

It can be written as a sum of positive squares in 3 ways, for example, as 4678569 + 2384564224 = 2163^2 + 48832^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2389242793 is a prime.

It is a super-2 number, since 2×2389242793² = 11416962247804881698, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (2389282793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3369523 + ... + 3370231.

It is an arithmetic number, because the mean of its divisors is an integer number (156219007).

Almost surely, 2^2389242793 is an apocalyptic number.

It is an amenable number.

2389242793 is a deficient number, since it is larger than the sum of its proper divisors (422699333).

2389242793 is an frugal number, since it uses more digits than its factorization.

2389242793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529 (or 813 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 49.

The square root of 2389242793 is about 48879.8812703141. The cubic root of 2389242793 is about 1336.8625627391.

The spelling of 2389242793 in words is "two billion, three hundred eighty-nine million, two hundred forty-two thousand, seven hundred ninety-three".