3923853930847 has 4 divisors (see below), whose sum is σ = 3923905852440. Its totient is φ = 3923802009256.

The previous prime is 3923853930839. The next prime is 3923853930923. The reversal of 3923853930847 is 7480393583293.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3923853930847 - 2³ = 3923853930839 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 (3923853930817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25847272 + ... + 25998637.

It is an arithmetic number, because the mean of its divisors is an integer number (980976463110).

Almost surely, 2^{3923853930847} is an apocalyptic number.

3923853930847 is a deficient number, since it is larger than the sum of its proper divisors (51921593).

3923853930847 is an equidigital number, since it uses as much as digits as its factorization.

3923853930847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51921592.

The product of its (nonzero) digits is 117573120, while the sum is 64.

The spelling of 3923853930847 in words is "three trillion, nine hundred twenty-three billion, eight hundred fifty-three million, nine hundred thirty thousand, eight hundred forty-seven".