3899523429 has 12 divisors (see below), whose sum is σ = 5633187456. Its totient is φ = 2599431912.

The previous prime is 3899523391. The next prime is 3899523437. The reversal of 3899523429 is 9243259983.

3899523429 is a `hidden beast` number, since 3 + 8 + 99 + 523 + 4 + 29 = 666.

3899523429 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3899523429 - 2¹⁹ = 3898999141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3899523479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163692 + ... + 185994.

It is an arithmetic number, because the mean of its divisors is an integer number (469432288).

Almost surely, 2^3899523429 is an apocalyptic number.

It is an amenable number.

3899523429 is a deficient number, since it is larger than the sum of its proper divisors (1733664027).

3899523429 is a wasteful number, since it uses less digits than its factorization.

3899523429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41736 (or 41733 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 54.

The square root of 3899523429 is about 62446.1642456925. The cubic root of 3899523429 is about 1573.9967984825.

The spelling of 3899523429 in words is "three billion, eight hundred ninety-nine million, five hundred twenty-three thousand, four hundred twenty-nine".