2490967217 has 2 divisors, whose sum is σ = 2490967218. Its totient is φ = 2490967216.

The previous prime is 2490967207. The next prime is 2490967301. The reversal of 2490967217 is 7127690942.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2338592881 + 152374336 = 48359^2 + 12344^2 .

It is a cyclic number.

It is not a de Polignac number, because 2490967217 - 2²² = 2486772913 is a prime.

It is not a weakly prime, because it can be changed into another prime (2490967207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1245483608 + 1245483609.

It is an arithmetic number, because the mean of its divisors is an integer number (1245483609).

Almost surely, 2^2490967217 is an apocalyptic number.

It is an amenable number.

2490967217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2490967217 is an equidigital number, since it uses as much as digits as its factorization.

2490967217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 2490967217 is about 49909.5904310985. The cubic root of 2490967217 is about 1355.5722526716.

The spelling of 2490967217 in words is "two billion, four hundred ninety million, nine hundred sixty-seven thousand, two hundred seventeen".