2731446400297 has 2 divisors, whose sum is σ = 2731446400298. Its totient is φ = 2731446400296.

The previous prime is 2731446400229. The next prime is 2731446400357. The reversal of 2731446400297 is 7920046441372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2176743193641 + 554703206656 = 1475379^2 + 744784^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2731446400297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2731446400297.

It is not a weakly prime, because it can be changed into another prime (2731446400217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1365723200148 + 1365723200149.

It is an arithmetic number, because the mean of its divisors is an integer number (1365723200149).

Almost surely, 2^{2731446400297} is an apocalyptic number.

It is an amenable number.

2731446400297 is a deficient number, since it is larger than the sum of its proper divisors (1).

2731446400297 is an equidigital number, since it uses as much as digits as its factorization.

2731446400297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2032128, while the sum is 49.

The spelling of 2731446400297 in words is "two trillion, seven hundred thirty-one billion, four hundred forty-six million, four hundred thousand, two hundred ninety-seven".