2001269339 has 2 divisors, whose sum is σ = 2001269340. Its totient is φ = 2001269338.

The previous prime is 2001269287. The next prime is 2001269351. The reversal of 2001269339 is 9339621002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2001269339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2001269299 and 2001269308.

It is not a weakly prime, because it can be changed into another prime (2001262339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000634669 + 1000634670.

It is an arithmetic number, because the mean of its divisors is an integer number (1000634670).

Almost surely, 2^2001269339 is an apocalyptic number.

2001269339 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001269339 is an equidigital number, since it uses as much as digits as its factorization.

2001269339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 2001269339 is about 44735.5489404120. The cubic root of 2001269339 is about 1260.1875380131.

The spelling of 2001269339 in words is "two billion, one million, two hundred sixty-nine thousand, three hundred thirty-nine".