5099450203881 has 54 divisors (see below), whose sum is σ = 8294620906026. Its totient is φ = 3014913844800.

The previous prime is 5099450203873. The next prime is 5099450203907. The reversal of 5099450203881 is 1883020549905.

5099450203881 is a `hidden beast` number, since 5 + 0 + 99 + 450 + 20 + 3 + 8 + 81 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3109420856025 + 1990029347856 = 1763355^2 + 1410684^2 .

It is not a de Polignac number, because 5099450203881 - 2³ = 5099450203873 is a prime.

It is a super-2 number, since 2×5099450203881² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5099450203381) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 477158520 + ... + 477169206.

Almost surely, 2^{5099450203881} is an apocalyptic number.

It is an amenable number.

5099450203881 is a deficient number, since it is larger than the sum of its proper divisors (3195170702145).

5099450203881 is an equidigital number, since it uses as much as digits as its factorization.

5099450203881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21443 (or 10742 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The spelling of 5099450203881 in words is "five trillion, ninety-nine billion, four hundred fifty million, two hundred three thousand, eight hundred eighty-one".