3942290677781 has 8 divisors (see below), whose sum is σ = 4016799517824. Its totient is φ = 3867786504400.

The previous prime is 3942290677771. The next prime is 3942290677807. The reversal of 3942290677781 is 1877760922493.

3942290677781 is digitally balanced in base 2 and base 3, because in such bases 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 a cyclic number.

It is not a de Polignac number, because 3942290677781 - 2¹⁰ = 3942290676757 is a prime.

It is a super-2 number, since 2×3942290677781² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3942290677771) 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, 562856 + ... + 2863806.

It is an arithmetic number, because the mean of its divisors is an integer number (502099939728).

Almost surely, 2^{3942290677781} is an apocalyptic number.

It is an amenable number.

3942290677781 is a deficient number, since it is larger than the sum of its proper divisors (74508840043).

3942290677781 is a wasteful number, since it uses less digits than its factorization.

3942290677781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2333331.

The product of its (nonzero) digits is 64012032, while the sum is 65.

The spelling of 3942290677781 in words is "three trillion, nine hundred forty-two billion, two hundred ninety million, six hundred seventy-seven thousand, seven hundred eighty-one".