3873826817245 has 32 divisors (see below), whose sum is σ = 5982603780096. Its totient is φ = 2336954587200.

The previous prime is 3873826817209. The next prime is 3873826817251. The reversal of 3873826817245 is 5427186283783.

It is not a de Polignac number, because 3873826817245 - 2¹⁹ = 3873826292957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162276579 + ... + 162300448.

It is an arithmetic number, because the mean of its divisors is an integer number (186956368128).

Almost surely, 2^{3873826817245} is an apocalyptic number.

3873826817245 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3873826817245 is a deficient number, since it is larger than the sum of its proper divisors (2108776962851).

3873826817245 is a wasteful number, since it uses less digits than its factorization.

3873826817245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324577081.

The product of its digits is 108380160, while the sum is 64.

The spelling of 3873826817245 in words is "three trillion, eight hundred seventy-three billion, eight hundred twenty-six million, eight hundred seventeen thousand, two hundred forty-five".