2245858639 has 2 divisors, whose sum is σ = 2245858640. Its totient is φ = 2245858638.

The previous prime is 2245858619. The next prime is 2245858711. The reversal of 2245858639 is 9368585422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2245858639 - 2⁵ = 2245858607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2245858609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1122929319 + 1122929320.

It is an arithmetic number, because the mean of its divisors is an integer number (1122929320).

Almost surely, 2^2245858639 is an apocalyptic number.

2245858639 is a deficient number, since it is larger than the sum of its proper divisors (1).

2245858639 is an equidigital number, since it uses as much as digits as its factorization.

2245858639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4147200, while the sum is 52.

The square root of 2245858639 is about 47390.4910187687. The cubic root of 2245858639 is about 1309.5662451058.

The spelling of 2245858639 in words is "two billion, two hundred forty-five million, eight hundred fifty-eight thousand, six hundred thirty-nine".