2139265759 has 2 divisors, whose sum is σ = 2139265760. Its totient is φ = 2139265758.

The previous prime is 2139265753. The next prime is 2139265787. The reversal of 2139265759 is 9575629312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2139265759 - 2¹³ = 2139257567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2139265753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1069632879 + 1069632880.

It is an arithmetic number, because the mean of its divisors is an integer number (1069632880).

Almost surely, 2^2139265759 is an apocalyptic number.

2139265759 is a deficient number, since it is larger than the sum of its proper divisors (1).

2139265759 is an equidigital number, since it uses as much as digits as its factorization.

2139265759 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1020600, while the sum is 49.

The square root of 2139265759 is about 46252.1973423966. The cubic root of 2139265759 is about 1288.5113446733.

The spelling of 2139265759 in words is "two billion, one hundred thirty-nine million, two hundred sixty-five thousand, seven hundred fifty-nine".