2694139187 has 2 divisors, whose sum is σ = 2694139188. Its totient is φ = 2694139186.

The previous prime is 2694139159. The next prime is 2694139223. The reversal of 2694139187 is 7819314962.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2694139187 - 2¹⁰ = 2694138163 is a prime.

It is not a weakly prime, because it can be changed into another prime (2694132187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1347069593 + 1347069594.

It is an arithmetic number, because the mean of its divisors is an integer number (1347069594).

Almost surely, 2^2694139187 is an apocalyptic number.

2694139187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2694139187 is an equidigital number, since it uses as much as digits as its factorization.

2694139187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 50.

The square root of 2694139187 is about 51905.0978902843. The cubic root of 2694139187 is about 1391.4683837422.

The spelling of 2694139187 in words is "two billion, six hundred ninety-four million, one hundred thirty-nine thousand, one hundred eighty-seven".