2151339859 has 2 divisors, whose sum is σ = 2151339860. Its totient is φ = 2151339858.

The previous prime is 2151339793. The next prime is 2151339899. The reversal of 2151339859 is 9589331512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2151339859 - 2⁹ = 2151339347 is a prime.

It is not a weakly prime, because it can be changed into another prime (2151339899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075669929 + 1075669930.

It is an arithmetic number, because the mean of its divisors is an integer number (1075669930).

Almost surely, 2^2151339859 is an apocalyptic number.

2151339859 is a deficient number, since it is larger than the sum of its proper divisors (1).

2151339859 is an equidigital number, since it uses as much as digits as its factorization.

2151339859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 291600, while the sum is 46.

The square root of 2151339859 is about 46382.5382983726. The cubic root of 2151339859 is about 1290.9309344992.

The spelling of 2151339859 in words is "two billion, one hundred fifty-one million, three hundred thirty-nine thousand, eight hundred fifty-nine".