2389782393 has 8 divisors (see below), whose sum is σ = 3540418400. Its totient is φ = 1593188244.

The previous prime is 2389782313. The next prime is 2389782401. The reversal of 2389782393 is 3932879832.

It is not a de Polignac number, because 2389782393 - 2¹⁴ = 2389766009 is a prime.

It is a super-2 number, since 2×2389782393² = 11422119771785612898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2389782313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44255203 + ... + 44255256.

It is an arithmetic number, because the mean of its divisors is an integer number (442552300).

Almost surely, 2^2389782393 is an apocalyptic number.

It is an amenable number.

2389782393 is a deficient number, since it is larger than the sum of its proper divisors (1150636007).

2389782393 is an equidigital number, since it uses as much as digits as its factorization.

2389782393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88510468 (or 88510462 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 2389782393 is about 48885.4006120437. The cubic root of 2389782393 is about 1336.9631966779.

The spelling of 2389782393 in words is "two billion, three hundred eighty-nine million, seven hundred eighty-two thousand, three hundred ninety-three".