5357556821889 has 6 divisors (see below), whose sum is σ = 7738693187186. Its totient is φ = 3571704547920.

The previous prime is 5357556821867. The next prime is 5357556821909. The reversal of 5357556821889 is 9881286557535.

5357556821889 is a `hidden beast` number, since 5 + 3 + 57 + 5 + 568 + 2 + 1 + 8 + 8 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4897612433025 + 459944388864 = 2213055^2 + 678192^2 .

It is not a de Polignac number, because 5357556821889 - 2⁹ = 5357556821377 is a prime.

It is a super-4 number, since 4×5357556821889⁴ (a number of 52 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5357556821809) 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, 297642045652 + ... + 297642045669.

Almost surely, 2^{5357556821889} is an apocalyptic number.

It is an amenable number.

5357556821889 is a deficient number, since it is larger than the sum of its proper divisors (2381136365297).

5357556821889 is a wasteful number, since it uses less digits than its factorization.

5357556821889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595284091327 (or 595284091324 counting only the distinct ones).

The product of its digits is 725760000, while the sum is 72.

The spelling of 5357556821889 in words is "five trillion, three hundred fifty-seven billion, five hundred fifty-six million, eight hundred twenty-one thousand, eight hundred eighty-nine".