2638016741 has 2 divisors, whose sum is σ = 2638016742. Its totient is φ = 2638016740.

The previous prime is 2638016737. The next prime is 2638016767. The reversal of 2638016741 is 1476108362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2337722500 + 300294241 = 48350^2 + 17329^2 .

It is a cyclic number.

It is not a de Polignac number, because 2638016741 - 2² = 2638016737 is a prime.

It is a super-2 number, since 2×2638016741² = 13918264651592522162, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2638016695 and 2638016704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2638016041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1319008370 + 1319008371.

It is an arithmetic number, because the mean of its divisors is an integer number (1319008371).

Almost surely, 2^2638016741 is an apocalyptic number.

It is an amenable number.

2638016741 is a deficient number, since it is larger than the sum of its proper divisors (1).

2638016741 is an equidigital number, since it uses as much as digits as its factorization.

2638016741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 2638016741 is about 51361.6271257054. The cubic root of 2638016741 is about 1381.7384694258.

The spelling of 2638016741 in words is "two billion, six hundred thirty-eight million, sixteen thousand, seven hundred forty-one".