3885352729 has 4 divisors (see below), whose sum is σ = 4010686720. Its totient is φ = 3760018740.

The previous prime is 3885352687. The next prime is 3885352747. The reversal of 3885352729 is 9272535883.

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: 9272535883 = 13 ⋅713271991.

It is a cyclic number.

It is not a de Polignac number, because 3885352729 - 2¹¹ = 3885350681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3885356729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62666949 + ... + 62667010.

It is an arithmetic number, because the mean of its divisors is an integer number (1002671680).

Almost surely, 2^3885352729 is an apocalyptic number.

It is an amenable number.

3885352729 is a deficient number, since it is larger than the sum of its proper divisors (125333991).

3885352729 is a wasteful number, since it uses less digits than its factorization.

3885352729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125333990.

The product of its digits is 3628800, while the sum is 52.

The square root of 3885352729 is about 62332.5976436086. The cubic root of 3885352729 is about 1572.0878721272.

The spelling of 3885352729 in words is "three billion, eight hundred eighty-five million, three hundred fifty-two thousand, seven hundred twenty-nine".