5644401363 has 6 divisors (see below), whose sum is σ = 8153024204. Its totient is φ = 3762934236.

The previous prime is 5644401361. The next prime is 5644401397. The reversal of 5644401363 is 3631044465.

5644401363 is a `hidden beast` number, since 5 + 644 + 4 + 0 + 1 + 3 + 6 + 3 = 666.

It is not a de Polignac number, because 5644401363 - 2¹ = 5644401361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5644401361) 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, 313577845 + ... + 313577862.

Almost surely, 2^5644401363 is an apocalyptic number.

5644401363 is a deficient number, since it is larger than the sum of its proper divisors (2508622841).

5644401363 is a wasteful number, since it uses less digits than its factorization.

5644401363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627155713 (or 627155710 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 5644401363 is about 75129.2310821827. The cubic root of 5644401363 is about 1780.4890045400.

The spelling of 5644401363 in words is "five billion, six hundred forty-four million, four hundred one thousand, three hundred sixty-three".