3929971099 has 8 divisors (see below), whose sum is σ = 3938800320. Its totient is φ = 3921153600.

The previous prime is 3929971081. The next prime is 3929971109. The reversal of 3929971099 is 9901799293.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3929971099 - 2²¹ = 3927873947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3929971079) 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 7 ways as a sum of consecutive naturals, for example, 1026609 + ... + 1030429.

It is an arithmetic number, because the mean of its divisors is an integer number (492350040).

Almost surely, 2^3929971099 is an apocalyptic number.

3929971099 is a deficient number, since it is larger than the sum of its proper divisors (8829221).

3929971099 is a wasteful number, since it uses less digits than its factorization.

3929971099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5861.

The product of its (nonzero) digits is 2480058, while the sum is 58.

The square root of 3929971099 is about 62689.4815658895. The cubic root of 3929971099 is about 1578.0827970122.

The spelling of 3929971099 in words is "three billion, nine hundred twenty-nine million, nine hundred seventy-one thousand, ninety-nine".