2647722241 has 2 divisors, whose sum is σ = 2647722242. Its totient is φ = 2647722240.

The previous prime is 2647722229. The next prime is 2647722283. The reversal of 2647722241 is 1422277462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2547321841 + 100400400 = 50471^2 + 10020^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2647722241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2647722241.

It is not a weakly prime, because it can be changed into another prime (2647722221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1323861120 + 1323861121.

It is an arithmetic number, because the mean of its divisors is an integer number (1323861121).

Almost surely, 2^2647722241 is an apocalyptic number.

It is an amenable number.

2647722241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2647722241 is an equidigital number, since it uses as much as digits as its factorization.

2647722241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75264, while the sum is 37.

The square root of 2647722241 is about 51456.0223977719. The cubic root of 2647722241 is about 1383.4309087928.

The spelling of 2647722241 in words is "two billion, six hundred forty-seven million, seven hundred twenty-two thousand, two hundred forty-one".