3862638821623 has 8 divisors (see below), whose sum is σ = 3873025543680. Its totient is φ = 3852261778680.

The previous prime is 3862638821617. The next prime is 3862638821677. The reversal of 3862638821623 is 3261288362683.

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 3862638821623 - 2¹³ = 3862638813431 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 (3862638828623) 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, 1620213 + ... + 3217198.

It is an arithmetic number, because the mean of its divisors is an integer number (484128192960).

Almost surely, 2^{3862638821623} is an apocalyptic number.

3862638821623 is a deficient number, since it is larger than the sum of its proper divisors (10386722057).

3862638821623 is a wasteful number, since it uses less digits than its factorization.

3862638821623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4839557.

The product of its digits is 23887872, while the sum is 58.

The spelling of 3862638821623 in words is "three trillion, eight hundred sixty-two billion, six hundred thirty-eight million, eight hundred twenty-one thousand, six hundred twenty-three".