2600490049 has 2 divisors, whose sum is σ = 2600490050. Its totient is φ = 2600490048.

The previous prime is 2600490019. The next prime is 2600490071. The reversal of 2600490049 is 9400940062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1470185649 + 1130304400 = 38343^2 + 33620^2 .

It is a cyclic number.

It is not a de Polignac number, because 2600490049 - 2⁷ = 2600489921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2600489996 and 2600490023.

It is not a weakly prime, because it can be changed into another prime (2600490019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1300245024 + 1300245025.

It is an arithmetic number, because the mean of its divisors is an integer number (1300245025).

Almost surely, 2^2600490049 is an apocalyptic number.

It is an amenable number.

2600490049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2600490049 is an equidigital number, since it uses as much as digits as its factorization.

2600490049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 2600490049 is about 50995.0002353172. Note that the first 3 decimals coincide. The cubic root of 2600490049 is about 1375.1552528167.

The spelling of 2600490049 in words is "two billion, six hundred million, four hundred ninety thousand, forty-nine".