2694139789 has 16 divisors (see below), whose sum is σ = 3125666880. Its totient is φ = 2296373760.

The previous prime is 2694139783. The next prime is 2694139813. The reversal of 2694139789 is 9879314962.

It is a cyclic number.

It is not a de Polignac number, because 2694139789 - 2¹³ = 2694131597 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 (2694139783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46174 + ... + 86719.

It is an arithmetic number, because the mean of its divisors is an integer number (195354180).

Almost surely, 2^2694139789 is an apocalyptic number.

It is an amenable number.

2694139789 is a deficient number, since it is larger than the sum of its proper divisors (431527091).

2694139789 is a wasteful number, since it uses less digits than its factorization.

2694139789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133020.

The product of its digits is 5878656, while the sum is 58.

The square root of 2694139789 is about 51905.1036893290. The cubic root of 2694139789 is about 1391.4684873825.

The spelling of 2694139789 in words is "two billion, six hundred ninety-four million, one hundred thirty-nine thousand, seven hundred eighty-nine".