3823630636938 has 64 divisors (see below), whose sum is σ = 8884951207680. Its totient is φ = 1074320755200.

The previous prime is 3823630636921. The next prime is 3823630636949. The reversal of 3823630636938 is 8396360363283.

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, 11677518 + ... + 12000486.

It is an arithmetic number, because the mean of its divisors is an integer number (138827362620).

Almost surely, 2^{3823630636938} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3823630636938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4442475603840).

3823630636938 is an abundant number, since it is smaller than the sum of its proper divisors (5061320570742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3823630636938 is a wasteful number, since it uses less digits than its factorization.

3823630636938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327663.

The product of its (nonzero) digits is 60466176, while the sum is 60.

The spelling of 3823630636938 in words is "three trillion, eight hundred twenty-three billion, six hundred thirty million, six hundred thirty-six thousand, nine hundred thirty-eight".