2159859407 has 2 divisors, whose sum is σ = 2159859408. Its totient is φ = 2159859406.

The previous prime is 2159859397. The next prime is 2159859451. The reversal of 2159859407 is 7049589512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2159859407 - 2¹⁶ = 2159793871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2159859467) 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, 1079929703 + 1079929704.

It is an arithmetic number, because the mean of its divisors is an integer number (1079929704).

Almost surely, 2^2159859407 is an apocalyptic number.

2159859407 is a deficient number, since it is larger than the sum of its proper divisors (1).

2159859407 is an equidigital number, since it uses as much as digits as its factorization.

2159859407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907200, while the sum is 50.

The square root of 2159859407 is about 46474.2875900212. The cubic root of 2159859407 is about 1292.6327672591.

The spelling of 2159859407 in words is "two billion, one hundred fifty-nine million, eight hundred fifty-nine thousand, four hundred seven".