3985468529 has 16 divisors (see below), whose sum is σ = 4600748160. Its totient is φ = 3381745920.

The previous prime is 3985468523. The next prime is 3985468547. The reversal of 3985468529 is 9258645893.

It is not a de Polignac number, because 3985468529 - 2⁸ = 3985468273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3985468523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 765467 + ... + 770655.

It is an arithmetic number, because the mean of its divisors is an integer number (287546760).

Almost surely, 2^3985468529 is an apocalyptic number.

It is an amenable number.

3985468529 is a deficient number, since it is larger than the sum of its proper divisors (615279631).

3985468529 is a wasteful number, since it uses less digits than its factorization.

3985468529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6280.

The product of its digits is 18662400, while the sum is 59.

The square root of 3985468529 is about 63130.5673109311. The cubic root of 3985468529 is about 1585.4764467752.

The spelling of 3985468529 in words is "three billion, nine hundred eighty-five million, four hundred sixty-eight thousand, five hundred twenty-nine".