4002420259 has 2 divisors, whose sum is σ = 4002420260. Its totient is φ = 4002420258.

The previous prime is 4002420217. The next prime is 4002420271. The reversal of 4002420259 is 9520242004.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4002420259 is a prime.

It is not a weakly prime, because it can be changed into another prime (4002420299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2001210129 + 2001210130.

It is an arithmetic number, because the mean of its divisors is an integer number (2001210130).

Almost surely, 2^4002420259 is an apocalyptic number.

4002420259 is a deficient number, since it is larger than the sum of its proper divisors (1).

4002420259 is an equidigital number, since it uses as much as digits as its factorization.

4002420259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 4002420259 is about 63264.6841373606. The cubic root of 4002420259 is about 1587.7211475576.

The spelling of 4002420259 in words is "four billion, two million, four hundred twenty thousand, two hundred fifty-nine".