2039745329 has 2 divisors, whose sum is σ = 2039745330. Its totient is φ = 2039745328.

The previous prime is 2039745307. The next prime is 2039745371. The reversal of 2039745329 is 9235479302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1751255104 + 288490225 = 41848^2 + 16985^2 .

It is a cyclic number.

It is not a de Polignac number, because 2039745329 - 2²⁴ = 2022968113 is a prime.

It is a super-2 number, since 2×2039745329² = 8321122014354636482, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2039745329.

It is not a weakly prime, because it can be changed into another prime (2039945329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1019872664 + 1019872665.

It is an arithmetic number, because the mean of its divisors is an integer number (1019872665).

Almost surely, 2^2039745329 is an apocalyptic number.

It is an amenable number.

2039745329 is a deficient number, since it is larger than the sum of its proper divisors (1).

2039745329 is an equidigital number, since it uses as much as digits as its factorization.

2039745329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 44.

The square root of 2039745329 is about 45163.5398191949. The cubic root of 2039745329 is about 1268.2123626794.

The spelling of 2039745329 in words is "two billion, thirty-nine million, seven hundred forty-five thousand, three hundred twenty-nine".