6363901923444 has 144 divisors (see below), whose sum is σ = 17909308457040. Its totient is φ = 1892837652480.

The previous prime is 6363901923391. The next prime is 6363901923497. The reversal of 6363901923444 is 4443291093636.

6363901923444 is a `hidden beast` number, since 6 + 3 + 6 + 3 + 9 + 0 + 192 + 3 + 444 = 666.

It is an interprime number because it is at equal distance from previous prime (6363901923391) and next prime (6363901923497).

It can be written as a sum of positive squares in 8 ways, for example, as 1436114624400 + 4927787299044 = 1198380^2 + 2219862^2 .

It is a super-2 number, since 2×6363901923444² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 570114 + ... + 3612870.

Almost surely, 2^{6363901923444} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6363901923444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8954654228520).

6363901923444 is an abundant number, since it is smaller than the sum of its proper divisors (11545406533596).

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

6363901923444 is a wasteful number, since it uses less digits than its factorization.

6363901923444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3042930 (or 3042925 counting only the distinct ones).

The product of its (nonzero) digits is 10077696, while the sum is 54.

It can be divided in two parts, 636390192 and 3444, that added together give a palindrome (636393636).

The spelling of 6363901923444 in words is "six trillion, three hundred sixty-three billion, nine hundred one million, nine hundred twenty-three thousand, four hundred forty-four".