2002642717 has 2 divisors, whose sum is σ = 2002642718. Its totient is φ = 2002642716.

The previous prime is 2002642711. The next prime is 2002642739. The reversal of 2002642717 is 7172462002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1364120356 + 638522361 = 36934^2 + 25269^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002642717 - 2²³ = 1994254109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002642711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001321358 + 1001321359.

It is an arithmetic number, because the mean of its divisors is an integer number (1001321359).

Almost surely, 2^2002642717 is an apocalyptic number.

It is an amenable number.

2002642717 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002642717 is an equidigital number, since it uses as much as digits as its factorization.

2002642717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 2002642717 is about 44750.8962703542. The cubic root of 2002642717 is about 1260.4757414473.

The spelling of 2002642717 in words is "two billion, two million, six hundred forty-two thousand, seven hundred seventeen".