2549423417 has 2 divisors, whose sum is σ = 2549423418. Its totient is φ = 2549423416.

The previous prime is 2549423413. The next prime is 2549423467. The reversal of 2549423417 is 7143249452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1641546256 + 907877161 = 40516^2 + 30131^2 .

It is a cyclic number.

It is not a de Polignac number, because 2549423417 - 2² = 2549423413 is a prime.

It is not a weakly prime, because it can be changed into another prime (2549423413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1274711708 + 1274711709.

It is an arithmetic number, because the mean of its divisors is an integer number (1274711709).

Almost surely, 2^2549423417 is an apocalyptic number.

It is an amenable number.

2549423417 is a deficient number, since it is larger than the sum of its proper divisors (1).

2549423417 is an equidigital number, since it uses as much as digits as its factorization.

2549423417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 41.

The square root of 2549423417 is about 50491.8153466480. The cubic root of 2549423417 is about 1366.0942295553.

The spelling of 2549423417 in words is "two billion, five hundred forty-nine million, four hundred twenty-three thousand, four hundred seventeen".