2740945901 has 2 divisors, whose sum is σ = 2740945902. Its totient is φ = 2740945900.

The previous prime is 2740945891. The next prime is 2740945939. The reversal of 2740945901 is 1095490472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2730062500 + 10883401 = 52250^2 + 3299^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2740945901 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2740945601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1370472950 + 1370472951.

It is an arithmetic number, because the mean of its divisors is an integer number (1370472951).

Almost surely, 2^2740945901 is an apocalyptic number.

It is an amenable number.

2740945901 is a deficient number, since it is larger than the sum of its proper divisors (1).

2740945901 is an equidigital number, since it uses as much as digits as its factorization.

2740945901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 2740945901 is about 52354.0437884219. The cubic root of 2740945901 is about 1399.4804025881.

The spelling of 2740945901 in words is "two billion, seven hundred forty million, nine hundred forty-five thousand, nine hundred one".