2737254721 has 2 divisors, whose sum is σ = 2737254722. Its totient is φ = 2737254720.

The previous prime is 2737254683. The next prime is 2737254727. The reversal of 2737254721 is 1274527372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2082918321 + 654336400 = 45639^2 + 25580^2 .

It is a cyclic number.

It is not a de Polignac number, because 2737254721 - 2¹⁹ = 2736730433 is a prime.

It is not a weakly prime, because it can be changed into another prime (2737254727) 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, 1368627360 + 1368627361.

It is an arithmetic number, because the mean of its divisors is an integer number (1368627361).

Almost surely, 2^2737254721 is an apocalyptic number.

It is an amenable number.

2737254721 is a deficient number, since it is larger than the sum of its proper divisors (1).

2737254721 is an equidigital number, since it uses as much as digits as its factorization.

2737254721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 164640, while the sum is 40.

The square root of 2737254721 is about 52318.7798118419. The cubic root of 2737254721 is about 1398.8519024449.

The spelling of 2737254721 in words is "two billion, seven hundred thirty-seven million, two hundred fifty-four thousand, seven hundred twenty-one".