5631344001 has 24 divisors (see below), whose sum is σ = 8171018856. Its totient is φ = 3737260800.

The previous prime is 5631343999. The next prime is 5631344003. The reversal of 5631344001 is 1004431365.

It is an interprime number because it is at equal distance from previous prime (5631343999) and next prime (5631344003).

It can be written as a sum of positive squares in 4 ways, for example, as 481846401 + 5149497600 = 21951^2 + 71760^2 .

It is not a de Polignac number, because 5631344001 - 2¹ = 5631343999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5631344003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2352061 + ... + 2354453.

It is an arithmetic number, because the mean of its divisors is an integer number (340459119).

Almost surely, 2^5631344001 is an apocalyptic number.

It is an amenable number.

5631344001 is a deficient number, since it is larger than the sum of its proper divisors (2539674855).

5631344001 is a wasteful number, since it uses less digits than its factorization.

5631344001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3473 (or 3470 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 5631344001 is about 75042.2814218758. The cubic root of 5631344001 is about 1779.1149917091.

Adding to 5631344001 its reverse (1004431365), we get a palindrome (6635775366).

The spelling of 5631344001 in words is "five billion, six hundred thirty-one million, three hundred forty-four thousand, one".