3868904389748 has 12 divisors (see below), whose sum is σ = 6770650112772. Its totient is φ = 1934432928960.

The previous prime is 3868904389717. The next prime is 3868904389793. The reversal of 3868904389748 is 8479834098683.

It can be written as a sum of positive squares in 2 ways, for example, as 1938744342544 + 1930160047204 = 1392388^2 + 1389302^2 .

It is a super-2 number, since 2×3868904389748² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4359833 + ... + 5171648.

It is an arithmetic number, because the mean of its divisors is an integer number (564220842731).

Almost surely, 2^{3868904389748} is an apocalyptic number.

It is an amenable number.

3868904389748 is a deficient number, since it is larger than the sum of its proper divisors (2901745723024).

3868904389748 is a wasteful number, since it uses less digits than its factorization.

3868904389748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9632962 (or 9632960 counting only the distinct ones).

The product of its (nonzero) digits is 2006581248, while the sum is 77.

The spelling of 3868904389748 in words is "three trillion, eight hundred sixty-eight billion, nine hundred four million, three hundred eighty-nine thousand, seven hundred forty-eight".