3929957189 has 4 divisors (see below), whose sum is σ = 3944900256. Its totient is φ = 3915014124.

The previous prime is 3929957113. The next prime is 3929957191. The reversal of 3929957189 is 9817599293.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9817599293 = 349 ⋅28130657.

It is a cyclic number.

It is not a de Polignac number, because 3929957189 - 2¹⁶ = 3929891653 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 (3929927189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7471139 + ... + 7471664.

It is an arithmetic number, because the mean of its divisors is an integer number (986225064).

Almost surely, 2^3929957189 is an apocalyptic number.

It is an amenable number.

3929957189 is a deficient number, since it is larger than the sum of its proper divisors (14943067).

3929957189 is a wasteful number, since it uses less digits than its factorization.

3929957189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14943066.

The product of its digits is 11022480, while the sum is 62.

The square root of 3929957189 is about 62689.3706221398. The cubic root of 3929957189 is about 1578.0809351531.

The spelling of 3929957189 in words is "three billion, nine hundred twenty-nine million, nine hundred fifty-seven thousand, one hundred eighty-nine".