3935249142728 has 64 divisors (see below), whose sum is σ = 7611377760000. Its totient is φ = 1906226265600.

The previous prime is 3935249142701. The next prime is 3935249142733. The reversal of 3935249142728 is 8272419425393.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 224362583 + ... + 224380121.

It is an arithmetic number, because the mean of its divisors is an integer number (118927777500).

Almost surely, 2^{3935249142728} is an apocalyptic number.

It is an amenable number.

3935249142728 is a deficient number, since it is larger than the sum of its proper divisors (3676128617272).

3935249142728 is a wasteful number, since it uses less digits than its factorization.

3935249142728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22326 (or 22322 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 59.

The spelling of 3935249142728 in words is "three trillion, nine hundred thirty-five billion, two hundred forty-nine million, one hundred forty-two thousand, seven hundred twenty-eight".