3194539749 has 32 divisors (see below), whose sum is σ = 5007974400. Its totient is φ = 2006979120.

The previous prime is 3194539729. The next prime is 3194539763. The reversal of 3194539749 is 9479354913.

It is a happy number.

3194539749 is a `hidden beast` number, since 31 + 9 + 4 + 539 + 74 + 9 = 666.

It is not a de Polignac number, because 3194539749 - 2¹² = 3194535653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3194539695 and 3194539704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3194539729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81682 + ... + 114284.

It is an arithmetic number, because the mean of its divisors is an integer number (156499200).

Almost surely, 2^3194539749 is an apocalyptic number.

It is an amenable number.

3194539749 is a deficient number, since it is larger than the sum of its proper divisors (1813434651).

3194539749 is a wasteful number, since it uses less digits than its factorization.

3194539749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32822 (or 32816 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 54.

The square root of 3194539749 is about 56520.2596331616. The cubic root of 3194539749 is about 1472.7739665860.

The spelling of 3194539749 in words is "three billion, one hundred ninety-four million, five hundred thirty-nine thousand, seven hundred forty-nine".