2039396566 has 16 divisors (see below), whose sum is σ = 3160886400. Its totient is φ = 985832640.

The previous prime is 2039396563. The next prime is 2039396581. The reversal of 2039396566 is 6656939302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2039396563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49360 + ... + 80716.

It is an arithmetic number, because the mean of its divisors is an integer number (197555400).

Almost surely, 2^2039396566 is an apocalyptic number.

2039396566 is a deficient number, since it is larger than the sum of its proper divisors (1121489834).

2039396566 is a wasteful number, since it uses less digits than its factorization.

2039396566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32439.

The product of its (nonzero) digits is 1574640, while the sum is 49.

The square root of 2039396566 is about 45159.6785418143. The cubic root of 2039396566 is about 1268.1400773875.

The spelling of 2039396566 in words is "two billion, thirty-nine million, three hundred ninety-six thousand, five hundred sixty-six".