2039731436 has 12 divisors (see below), whose sum is σ = 3570536928. Its totient is φ = 1019578032.

The previous prime is 2039731433. The next prime is 2039731469. The reversal of 2039731436 is 6341379302.

It is a self number, because there is not a number n which added to its sum of digits gives 2039731436.

It is not an unprimeable number, because it can be changed into a prime (2039731433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55556 + ... + 84651.

It is an arithmetic number, because the mean of its divisors is an integer number (297544744).

Almost surely, 2^2039731436 is an apocalyptic number.

It is an amenable number.

2039731436 is a deficient number, since it is larger than the sum of its proper divisors (1530805492).

2039731436 is a wasteful number, since it uses less digits than its factorization.

2039731436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143848 (or 143846 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 38.

The square root of 2039731436 is about 45163.3860112370. The cubic root of 2039731436 is about 1268.2094833470.

The spelling of 2039731436 in words is "two billion, thirty-nine million, seven hundred thirty-one thousand, four hundred thirty-six".