3631344431363 has 6 divisors (see below), whose sum is σ = 3991477763532. Its totient is φ = 3301222210220.

The previous prime is 3631344431317. The next prime is 3631344431387.

It is a happy number.

3631344431363 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 3631344431363 - 2¹² = 3631344427267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3631344431863) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15005555381 + ... + 15005555622.

It is an arithmetic number, because the mean of its divisors is an integer number (665246293922).

Almost surely, 2^{3631344431363} is an apocalyptic number.

3631344431363 is a deficient number, since it is larger than the sum of its proper divisors (360133332169).

3631344431363 is a wasteful number, since it uses less digits than its factorization.

3631344431363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30011111025 (or 30011111014 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 44.

The spelling of 3631344431363 in words is "three trillion, six hundred thirty-one billion, three hundred forty-four million, four hundred thirty-one thousand, three hundred sixty-three".