5299420390209 has 189 divisors, whose sum is σ = 9156876315699. Its totient is φ = 3063011656320.

The previous prime is 5299420390207. The next prime is 5299420390211. The reversal of 5299420390209 is 9020930249925.

It is a happy number.

The square root of 5299420390209 is 2302047.

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

5299420390209 is a `hidden beast` number, since 5 + 2 + 9 + 9 + 42 + 0 + 390 + 209 = 666.

It is an interprime number because it is at equal distance from previous prime (5299420390207) and next prime (5299420390211).

It can be written as a sum of positive squares in only one way, i.e., 1429040930625 + 3870379459584 = 1195425^2 + 1967328^2 .

It is not a de Polignac number, because 5299420390209 - 2¹ = 5299420390207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5299420390207) by changing a digit.

It is a polite number, since it can be written in 188 ways as a sum of consecutive naturals, for example, 15725282889 + ... + 15725283225.

Almost surely, 2^{5299420390209} is an apocalyptic number.

5299420390209 is the 2302047-th square number.

5299420390209 is the 1151024-th centered octagonal number.

It is an amenable number.

5299420390209 is a deficient number, since it is larger than the sum of its proper divisors (3857455925490).

5299420390209 is an frugal number, since it uses more digits than its factorization.

5299420390209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 54.

The spelling of 5299420390209 in words is "five trillion, two hundred ninety-nine billion, four hundred twenty million, three hundred ninety thousand, two hundred nine".