2742894191 has 8 divisors (see below), whose sum is σ = 2821233360. Its totient is φ = 2665216512.

The previous prime is 2742894181. The next prime is 2742894221. The reversal of 2742894191 is 1914982472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2742894191 - 2⁶ = 2742894127 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 (2742894151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156956 + ... + 173553.

It is an arithmetic number, because the mean of its divisors is an integer number (352654170).

Almost surely, 2^2742894191 is an apocalyptic number.

2742894191 is a deficient number, since it is larger than the sum of its proper divisors (78339169).

2742894191 is a wasteful number, since it uses less digits than its factorization.

2742894191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330745.

The product of its digits is 290304, while the sum is 47.

The square root of 2742894191 is about 52372.6473552751. The cubic root of 2742894191 is about 1399.8119119767.

The spelling of 2742894191 in words is "two billion, seven hundred forty-two million, eight hundred ninety-four thousand, one hundred ninety-one".