2530426649 has 2 divisors, whose sum is σ = 2530426650. Its totient is φ = 2530426648.

The previous prime is 2530426609. The next prime is 2530426651. The reversal of 2530426649 is 9466240352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2065248025 + 465178624 = 45445^2 + 21568^2 .

It is a cyclic number.

It is not a de Polignac number, because 2530426649 - 2²⁰ = 2529378073 is a prime.

Together with 2530426651, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2530426609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265213324 + 1265213325.

It is an arithmetic number, because the mean of its divisors is an integer number (1265213325).

Almost surely, 2^2530426649 is an apocalyptic number.

It is an amenable number.

2530426649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2530426649 is an equidigital number, since it uses as much as digits as its factorization.

2530426649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 41.

The square root of 2530426649 is about 50303.3463002214. The cubic root of 2530426649 is about 1362.6926628657.

The spelling of 2530426649 in words is "two billion, five hundred thirty million, four hundred twenty-six thousand, six hundred forty-nine".