5099245281 has 27 divisors (see below), whose sum is σ = 7980100947. Its totient is φ = 3136283280.

The previous prime is 5099245253. The next prime is 5099245297. The reversal of 5099245281 is 1825429905.

It is a happy number.

The square root of 5099245281 is 71409.

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

5099245281 is a `hidden beast` number, since 509 + 92 + 4 + 52 + 8 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 754326225 + 4344919056 = 27465^2 + 65916^2 .

It is not a de Polignac number, because 5099245281 - 2¹⁹ = 5098720993 is a prime.

It is a super-2 number, since 2×5099245281² = 52004604871601537922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5099245231) 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, 2784036 + ... + 2785866.

Almost surely, 2^5099245281 is an apocalyptic number.

5099245281 is the 71409-th square number.

5099245281 is the 35705-th centered octagonal number.

It is an amenable number.

5099245281 is a deficient number, since it is larger than the sum of its proper divisors (2880855666).

5099245281 is an equidigital number, since it uses as much as digits as its factorization.

5099245281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3694 (or 1847 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The cubic root of 5099245281 is about 1721.2157081531.

The spelling of 5099245281 in words is "five billion, ninety-nine million, two hundred forty-five thousand, two hundred eighty-one".