5644641362 has 4 divisors (see below), whose sum is σ = 8466962046. Its totient is φ = 2822320680.

The previous prime is 5644641349. The next prime is 5644641371. The reversal of 5644641362 is 2631464465.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4798471441 + 846169921 = 69271^2 + 29089^2 .

It is a super-2 number, since 2×5644641362² = 63723952211202430088, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1411160339 + ... + 1411160342.

Almost surely, 2^5644641362 is an apocalyptic number.

5644641362 is a deficient number, since it is larger than the sum of its proper divisors (2822320684).

5644641362 is a wasteful number, since it uses less digits than its factorization.

5644641362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2822320683.

The product of its digits is 414720, while the sum is 41.

The square root of 5644641362 is about 75130.8283063617. The cubic root of 5644641362 is about 1780.5142395470.

The spelling of 5644641362 in words is "five billion, six hundred forty-four million, six hundred forty-one thousand, three hundred sixty-two".