3997202129 has 8 divisors (see below), whose sum is σ = 4238231040. Its totient is φ = 3756828736.

The previous prime is 3997202113. The next prime is 3997202137. The reversal of 3997202129 is 9212027993.

3997202129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3997202129 - 2⁴ = 3997202113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3997202129.

It is not an unprimeable number, because it can be changed into a prime (3997202149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151289 + ... + 175734.

It is an arithmetic number, because the mean of its divisors is an integer number (529778880).

Almost surely, 2^3997202129 is an apocalyptic number.

It is an amenable number.

3997202129 is a deficient number, since it is larger than the sum of its proper divisors (241028911).

3997202129 is a wasteful number, since it uses less digits than its factorization.

3997202129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327759.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 3997202129 is about 63223.4302217145. The cubic root of 3997202129 is about 1587.0308536935.

The spelling of 3997202129 in words is "three billion, nine hundred ninety-seven million, two hundred two thousand, one hundred twenty-nine".