2739320985 has 32 divisors (see below), whose sum is σ = 4448965248. Its totient is φ = 1439009280.

The previous prime is 2739320981. The next prime is 2739321001. The reversal of 2739320985 is 5890239372.

It is a happy number.

It is not a de Polignac number, because 2739320985 - 2² = 2739320981 is a prime.

It is a super-2 number, since 2×2739320985² = 15007758917722740450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2739320981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1193499 + ... + 1195791.

It is an arithmetic number, because the mean of its divisors is an integer number (139030164).

Almost surely, 2^2739320985 is an apocalyptic number.

It is an amenable number.

2739320985 is a deficient number, since it is larger than the sum of its proper divisors (1709644263).

2739320985 is a wasteful number, since it uses less digits than its factorization.

2739320985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3465.

The product of its (nonzero) digits is 816480, while the sum is 48.

The square root of 2739320985 is about 52338.5229539390. The cubic root of 2739320985 is about 1399.2037964211.

The spelling of 2739320985 in words is "two billion, seven hundred thirty-nine million, three hundred twenty thousand, nine hundred eighty-five".