3946012281789 has 8 divisors (see below), whose sum is σ = 5570840868480. Its totient is φ = 2475929274816.

The previous prime is 3946012281787. The next prime is 3946012281811. The reversal of 3946012281789 is 9871822106493.

3946012281789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3946012281789 - 2¹ = 3946012281787 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3946012281787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38686394869 + ... + 38686394970.

It is an arithmetic number, because the mean of its divisors is an integer number (696355108560).

Almost surely, 2^{3946012281789} is an apocalyptic number.

It is an amenable number.

3946012281789 is a deficient number, since it is larger than the sum of its proper divisors (1624828586691).

3946012281789 is a wasteful number, since it uses less digits than its factorization.

3946012281789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77372789859.

The product of its (nonzero) digits is 10450944, while the sum is 60.

The spelling of 3946012281789 in words is "three trillion, nine hundred forty-six billion, twelve million, two hundred eighty-one thousand, seven hundred eighty-nine".