3873649408423 has 4 divisors (see below), whose sum is σ = 3873653538048. Its totient is φ = 3873645278800.

The previous prime is 3873649408357. The next prime is 3873649408501. The reversal of 3873649408423 is 3248049463783.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3873649408423 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 (3873649408823) 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, 95898 + ... + 2785048.

It is an arithmetic number, because the mean of its divisors is an integer number (968413384512).

Almost surely, 2^{3873649408423} is an apocalyptic number.

3873649408423 is a deficient number, since it is larger than the sum of its proper divisors (4129625).

3873649408423 is a wasteful number, since it uses less digits than its factorization.

3873649408423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4129624.

The product of its (nonzero) digits is 83607552, while the sum is 61.

The spelling of 3873649408423 in words is "three trillion, eight hundred seventy-three billion, six hundred forty-nine million, four hundred eight thousand, four hundred twenty-three".