3889693550436 has 12 divisors (see below), whose sum is σ = 9075951617712. Its totient is φ = 1296564516808.

The previous prime is 3889693550423. The next prime is 3889693550443. The reversal of 3889693550436 is 6340553969883.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162070564590 + ... + 162070564613.

It is an arithmetic number, because the mean of its divisors is an integer number (756329301476).

Almost surely, 2^{3889693550436} is an apocalyptic number.

It is an amenable number.

3889693550436 is an abundant number, since it is smaller than the sum of its proper divisors (5186258067276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3889693550436 is a wasteful number, since it uses less digits than its factorization.

3889693550436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324141129210 (or 324141129208 counting only the distinct ones).

The product of its (nonzero) digits is 503884800, while the sum is 69.

The spelling of 3889693550436 in words is "three trillion, eight hundred eighty-nine billion, six hundred ninety-three million, five hundred fifty thousand, four hundred thirty-six".