3923358848639 has 8 divisors (see below), whose sum is σ = 4148044602240. Its totient is φ = 3700492413336.

The previous prime is 3923358848527. The next prime is 3923358848657. The reversal of 3923358848639 is 9368488533293.

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 3923358848639 - 2²⁸ = 3923090413183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3923358848039) 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, 454825139 + ... + 454833764.

It is an arithmetic number, because the mean of its divisors is an integer number (518505575280).

Almost surely, 2^{3923358848639} is an apocalyptic number.

3923358848639 is a deficient number, since it is larger than the sum of its proper divisors (224685753601).

3923358848639 is a wasteful number, since it uses less digits than its factorization.

3923358848639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909659149.

The product of its digits is 806215680, while the sum is 71.

The spelling of 3923358848639 in words is "three trillion, nine hundred twenty-three billion, three hundred fifty-eight million, eight hundred forty-eight thousand, six hundred thirty-nine".