5644309090898 has 16 divisors (see below), whose sum is σ = 8763464715480. Its totient is φ = 2723266498176.

The previous prime is 5644309090879. The next prime is 5644309090939. The reversal of 5644309090898 is 8980909034465.

It can be written as a sum of positive squares in 4 ways, for example, as 5548111726249 + 96197364649 = 2355443^2 + 310157^2 .

It is a super-2 number, since 2×5644309090898² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27976715 + ... + 28177742.

Almost surely, 2^{5644309090898} is an apocalyptic number.

5644309090898 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

5644309090898 is a deficient number, since it is larger than the sum of its proper divisors (3119155624582).

5644309090898 is a wasteful number, since it uses less digits than its factorization.

5644309090898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56156221.

The product of its (nonzero) digits is 67184640, while the sum is 65.

The spelling of 5644309090898 in words is "five trillion, six hundred forty-four billion, three hundred nine million, ninety thousand, eight hundred ninety-eight".