2676247649 has 2 divisors, whose sum is σ = 2676247650. Its totient is φ = 2676247648.

The previous prime is 2676247621. The next prime is 2676247681. The reversal of 2676247649 is 9467426762.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2110759249 + 565488400 = 45943^2 + 23780^2 .

It is a cyclic number.

It is not a de Polignac number, because 2676247649 - 2²⁰ = 2675199073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2676247649.

It is not a weakly prime, because it can be changed into another prime (2676247699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1338123824 + 1338123825.

It is an arithmetic number, because the mean of its divisors is an integer number (1338123825).

Almost surely, 2^2676247649 is an apocalyptic number.

It is an amenable number.

2676247649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2676247649 is an equidigital number, since it uses as much as digits as its factorization.

2676247649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6096384, while the sum is 53.

The square root of 2676247649 is about 51732.4622360081. The cubic root of 2676247649 is about 1388.3813342153.

The spelling of 2676247649 in words is "two billion, six hundred seventy-six million, two hundred forty-seven thousand, six hundred forty-nine".