2742718691 has 2 divisors, whose sum is σ = 2742718692. Its totient is φ = 2742718690.

The previous prime is 2742718673. The next prime is 2742718753. The reversal of 2742718691 is 1968172472.

2742718691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2742718691 - 2¹⁰ = 2742717667 is a prime.

It is not a weakly prime, because it can be changed into another prime (2742718291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1371359345 + 1371359346.

It is an arithmetic number, because the mean of its divisors is an integer number (1371359346).

Almost surely, 2^2742718691 is an apocalyptic number.

2742718691 is a deficient number, since it is larger than the sum of its proper divisors (1).

2742718691 is an equidigital number, since it uses as much as digits as its factorization.

2742718691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 47.

The square root of 2742718691 is about 52370.9718355503. The cubic root of 2742718691 is about 1399.7820563797.

The spelling of 2742718691 in words is "two billion, seven hundred forty-two million, seven hundred eighteen thousand, six hundred ninety-one".