2715744397 has 2 divisors, whose sum is σ = 2715744398. Its totient is φ = 2715744396.

The previous prime is 2715744379. The next prime is 2715744401. The reversal of 2715744397 is 7934475172.

Together with previous prime (2715744379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1568635236 + 1147109161 = 39606^2 + 33869^2 .

It is a cyclic number.

It is not a de Polignac number, because 2715744397 - 2¹¹ = 2715742349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2715744397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2715744377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1357872198 + 1357872199.

It is an arithmetic number, because the mean of its divisors is an integer number (1357872199).

Almost surely, 2^2715744397 is an apocalyptic number.

It is an amenable number.

2715744397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2715744397 is an equidigital number, since it uses as much as digits as its factorization.

2715744397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1481760, while the sum is 49.

The square root of 2715744397 is about 52112.8045397674. The cubic root of 2715744397 is about 1395.1780363121.

The spelling of 2715744397 in words is "two billion, seven hundred fifteen million, seven hundred forty-four thousand, three hundred ninety-seven".