2757665497 has 2 divisors, whose sum is σ = 2757665498. Its totient is φ = 2757665496.

The previous prime is 2757665473. The next prime is 2757665513. The reversal of 2757665497 is 7945667572.

2757665497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1760305936 + 997359561 = 41956^2 + 31581^2 .

It is a cyclic number.

It is not a de Polignac number, because 2757665497 - 2²³ = 2749276889 is a prime.

It is not a weakly prime, because it can be changed into another prime (2757665597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1378832748 + 1378832749.

It is an arithmetic number, because the mean of its divisors is an integer number (1378832749).

Almost surely, 2^2757665497 is an apocalyptic number.

It is an amenable number.

2757665497 is a deficient number, since it is larger than the sum of its proper divisors (1).

2757665497 is an equidigital number, since it uses as much as digits as its factorization.

2757665497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22226400, while the sum is 58.

The square root of 2757665497 is about 52513.4791934414. The cubic root of 2757665497 is about 1402.3202167017.

The spelling of 2757665497 in words is "two billion, seven hundred fifty-seven million, six hundred sixty-five thousand, four hundred ninety-seven".