2127694791 has 16 divisors (see below), whose sum is σ = 2876194944. Its totient is φ = 1398889824.

The previous prime is 2127694759. The next prime is 2127694799. The reversal of 2127694791 is 1974967212.

It is not a de Polignac number, because 2127694791 - 2⁵ = 2127694759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2127694791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2127694799) 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, 138885 + ... + 153441.

It is an arithmetic number, because the mean of its divisors is an integer number (179762184).

Almost surely, 2^2127694791 is an apocalyptic number.

2127694791 is a deficient number, since it is larger than the sum of its proper divisors (748500153).

2127694791 is a wasteful number, since it uses less digits than its factorization.

2127694791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15230.

The product of its digits is 381024, while the sum is 48.

The square root of 2127694791 is about 46126.9421379740. The cubic root of 2127694791 is about 1286.1840219604.

The spelling of 2127694791 in words is "two billion, one hundred twenty-seven million, six hundred ninety-four thousand, seven hundred ninety-one".