2742419731 has 2 divisors, whose sum is σ = 2742419732. Its totient is φ = 2742419730.

The previous prime is 2742419723. The next prime is 2742419741. The reversal of 2742419731 is 1379142472.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2742419731 - 2³ = 2742419723 is a prime.

It is a super-2 number, since 2×2742419731² = 15041731961956224722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2742419741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1371209865 + 1371209866.

It is an arithmetic number, because the mean of its divisors is an integer number (1371209866).

Almost surely, 2^2742419731 is an apocalyptic number.

2742419731 is a deficient number, since it is larger than the sum of its proper divisors (1).

2742419731 is an equidigital number, since it uses as much as digits as its factorization.

2742419731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 40.

The square root of 2742419731 is about 52368.1175048330. The cubic root of 2742419731 is about 1399.7311951606.

The spelling of 2742419731 in words is "two billion, seven hundred forty-two million, four hundred nineteen thousand, seven hundred thirty-one".