2740036643 has 2 divisors, whose sum is σ = 2740036644. Its totient is φ = 2740036642.

The previous prime is 2740036631. The next prime is 2740036657. The reversal of 2740036643 is 3466300472.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2740036643 - 2¹⁴ = 2740020259 is a prime.

It is not a weakly prime, because it can be changed into another prime (2740036043) 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, 1370018321 + 1370018322.

It is an arithmetic number, because the mean of its divisors is an integer number (1370018322).

Almost surely, 2^2740036643 is an apocalyptic number.

2740036643 is a deficient number, since it is larger than the sum of its proper divisors (1).

2740036643 is an equidigital number, since it uses as much as digits as its factorization.

2740036643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 35.

The square root of 2740036643 is about 52345.3593263051. The cubic root of 2740036643 is about 1399.3256349116.

The spelling of 2740036643 in words is "two billion, seven hundred forty million, thirty-six thousand, six hundred forty-three".