2744834391 has 32 divisors (see below), whose sum is σ = 4386710720. Its totient is φ = 1686241152.

The previous prime is 2744834377. The next prime is 2744834413. The reversal of 2744834391 is 1934384472.

It is not a de Polignac number, because 2744834391 - 2¹⁰ = 2744833367 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2744834321) 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, 208785 + ... + 221541.

It is an arithmetic number, because the mean of its divisors is an integer number (137084710).

Almost surely, 2^2744834391 is an apocalyptic number.

2744834391 is a deficient number, since it is larger than the sum of its proper divisors (1641876329).

2744834391 is a wasteful number, since it uses less digits than its factorization.

2744834391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13392 (or 13386 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 2744834391 is about 52391.1671085881. The cubic root of 2744834391 is about 1400.1418888505.

The spelling of 2744834391 in words is "two billion, seven hundred forty-four million, eight hundred thirty-four thousand, three hundred ninety-one".