3849431039 has 4 divisors (see below), whose sum is σ = 3867675000. Its totient is φ = 3831187080.

The previous prime is 3849431017. The next prime is 3849431077. The reversal of 3849431039 is 9301349483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9301349483 = 277 ⋅33578879.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3849431039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3849431239) 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, 9121664 + ... + 9122085.

It is an arithmetic number, because the mean of its divisors is an integer number (966918750).

Almost surely, 2^3849431039 is an apocalyptic number.

3849431039 is a deficient number, since it is larger than the sum of its proper divisors (18243961).

3849431039 is a wasteful number, since it uses less digits than its factorization.

3849431039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18243960.

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 3849431039 is about 62043.7832421589. The cubic root of 3849431039 is about 1567.2279968970.

The spelling of 3849431039 in words is "three billion, eight hundred forty-nine million, four hundred thirty-one thousand, thirty-nine".