2764648217 has 2 divisors, whose sum is σ = 2764648218. Its totient is φ = 2764648216.

The previous prime is 2764648199. The next prime is 2764648223. The reversal of 2764648217 is 7128464672.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1725488521 + 1039159696 = 41539^2 + 32236^2 .

It is a cyclic number.

It is not a de Polignac number, because 2764648217 - 2⁶ = 2764648153 is a prime.

It is a super-2 number, since 2×2764648217² = 15286559527522558178, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2764648297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1382324108 + 1382324109.

It is an arithmetic number, because the mean of its divisors is an integer number (1382324109).

Almost surely, 2^2764648217 is an apocalyptic number.

It is an amenable number.

2764648217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2764648217 is an equidigital number, since it uses as much as digits as its factorization.

2764648217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 903168, while the sum is 47.

The square root of 2764648217 is about 52579.9221851840. The cubic root of 2764648217 is about 1403.5028300652.

The spelling of 2764648217 in words is "two billion, seven hundred sixty-four million, six hundred forty-eight thousand, two hundred seventeen".