3923885947361 has 16 divisors (see below), whose sum is σ = 4407807375360. Its totient is φ = 3471148235520.

The previous prime is 3923885947349. The next prime is 3923885947369. The reversal of 3923885947361 is 1637495883293.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3923885947361 is a prime.

It is a Smith number, since the sum of its digits (68) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3923885947291 and 3923885947300.

It is not an unprimeable number, because it can be changed into a prime (3923885947369) 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, 47786750 + ... + 47868791.

It is an arithmetic number, because the mean of its divisors is an integer number (275487960960).

Almost surely, 2^{3923885947361} is an apocalyptic number.

It is an amenable number.

3923885947361 is a deficient number, since it is larger than the sum of its proper divisors (483921427999).

3923885947361 is a wasteful number, since it uses less digits than its factorization.

3923885947361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95655704.

The product of its digits is 235146240, while the sum is 68.

The spelling of 3923885947361 in words is "three trillion, nine hundred twenty-three billion, eight hundred eighty-five million, nine hundred forty-seven thousand, three hundred sixty-one".