2403640417 has 2 divisors, whose sum is σ = 2403640418. Its totient is φ = 2403640416.

The previous prime is 2403640367. The next prime is 2403640427. The reversal of 2403640417 is 7140463042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2042678416 + 360962001 = 45196^2 + 18999^2 .

It is a cyclic number.

It is not a de Polignac number, because 2403640417 - 2²⁷ = 2269422689 is a prime.

It is not a weakly prime, because it can be changed into another prime (2403640427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1201820208 + 1201820209.

It is an arithmetic number, because the mean of its divisors is an integer number (1201820209).

Almost surely, 2^2403640417 is an apocalyptic number.

It is an amenable number.

2403640417 is a deficient number, since it is larger than the sum of its proper divisors (1).

2403640417 is an equidigital number, since it uses as much as digits as its factorization.

2403640417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 2403640417 is about 49026.9356272651. The cubic root of 2403640417 is about 1339.5425068147.

The spelling of 2403640417 in words is "two billion, four hundred three million, six hundred forty thousand, four hundred seventeen".