5002199981 has 4 divisors (see below), whose sum is σ = 5013146172. Its totient is φ = 4991253792.

The previous prime is 5002199963. The next prime is 5002200001. The reversal of 5002199981 is 1899912005.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2861287081 + 2140912900 = 53491^2 + 46270^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5002199981 is a prime.

It is a super-2 number, since 2×5002199981² = 50044009299832800722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5002199911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5472410 + ... + 5473323.

It is an arithmetic number, because the mean of its divisors is an integer number (1253286543).

Almost surely, 2^5002199981 is an apocalyptic number.

It is an amenable number.

5002199981 is a deficient number, since it is larger than the sum of its proper divisors (10946191).

5002199981 is a wasteful number, since it uses less digits than its factorization.

5002199981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10946190.

The product of its (nonzero) digits is 58320, while the sum is 44.

The square root of 5002199981 is about 70726.2326226981. The cubic root of 5002199981 is about 1710.2267042090.

The spelling of 5002199981 in words is "five billion, two million, one hundred ninety-nine thousand, nine hundred eighty-one".