3901841989912 has 8 divisors (see below), whose sum is σ = 7315953731100. Its totient is φ = 1950920994952.

The previous prime is 3901841989817. The next prime is 3901841989943. The reversal of 3901841989912 is 2199891481093.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

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 as a sum of consecutive naturals, namely, 243865124362 + ... + 243865124377.

Almost surely, 2^{3901841989912} is an apocalyptic number.

It is an amenable number.

3901841989912 is a deficient number, since it is larger than the sum of its proper divisors (3414111741188).

3901841989912 is a wasteful number, since it uses less digits than its factorization.

3901841989912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487730248745 (or 487730248741 counting only the distinct ones).

The product of its (nonzero) digits is 10077696, while the sum is 64.

The spelling of 3901841989912 in words is "three trillion, nine hundred one billion, eight hundred forty-one million, nine hundred eighty-nine thousand, nine hundred twelve".