3631723423644 has 12 divisors (see below), whose sum is σ = 8474021321864. Its totient is φ = 1210574474544.

The previous prime is 3631723423639. The next prime is 3631723423777. The reversal of 3631723423644 is 4463243271363.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 3631723423593 and 3631723423602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151321809307 + ... + 151321809330.

Almost surely, 2^{3631723423644} is an apocalyptic number.

It is an amenable number.

3631723423644 is an abundant number, since it is smaller than the sum of its proper divisors (4842297898220).

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

3631723423644 is a wasteful number, since it uses less digits than its factorization.

3631723423644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302643618644 (or 302643618642 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 48.

The spelling of 3631723423644 in words is "three trillion, six hundred thirty-one billion, seven hundred twenty-three million, four hundred twenty-three thousand, six hundred forty-four".