5194337833881 has 27 divisors (see below), whose sum is σ = 8727981406911. Its totient is φ = 2968165698624.

The previous prime is 5194337833873. The next prime is 5194337833939. The reversal of 5194337833881 is 1883387334915.

The square root of 5194337833881 is 2279109.

It is a perfect power (a square), and thus also a powerful number.

5194337833881 is a `hidden beast` number, since 5 + 19 + 433 + 7 + 83 + 38 + 81 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4892541424281 + 301796409600 = 2211909^2 + 549360^2 .

It is not a de Polignac number, because 5194337833881 - 2³ = 5194337833873 is a prime.

It is a super-2 number, since 2×5194337833881² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (5194335833881) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 47807025 + ... + 47915553.

Almost surely, 2^{5194337833881} is an apocalyptic number.

5194337833881 is the 2279109-th square number.

5194337833881 is the 1139555-th centered octagonal number.

It is an amenable number.

5194337833881 is a deficient number, since it is larger than the sum of its proper divisors (3533643573030).

5194337833881 is an frugal number, since it uses more digits than its factorization.

5194337833881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217078 (or 108539 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 63.

The spelling of 5194337833881 in words is "five trillion, one hundred ninety-four billion, three hundred thirty-seven million, eight hundred thirty-three thousand, eight hundred eighty-one".