3871643740733 has 16 divisors (see below), whose sum is σ = 4090811834880. Its totient is φ = 3658203916416.

The previous prime is 3871643740729. The next prime is 3871643740793. The reversal of 3871643740733 is 3370473461783.

It is a cyclic number.

It is not a de Polignac number, because 3871643740733 - 2² = 3871643740729 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3871643740793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12706616 + ... + 13007742.

It is an arithmetic number, because the mean of its divisors is an integer number (255675739680).

Almost surely, 2^{3871643740733} is an apocalyptic number.

It is an amenable number.

3871643740733 is a deficient number, since it is larger than the sum of its proper divisors (219168094147).

3871643740733 is a wasteful number, since it uses less digits than its factorization.

3871643740733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310636.

The product of its (nonzero) digits is 21337344, while the sum is 56.

The spelling of 3871643740733 in words is "three trillion, eight hundred seventy-one billion, six hundred forty-three million, seven hundred forty thousand, seven hundred thirty-three".