5815204993 has 6 divisors (see below), whose sum is σ = 6296938134. Its totient is φ = 5367881376.

The previous prime is 5815204963. The next prime is 5815205009. The reversal of 5815204993 is 3994025185.

It can be written as a sum of positive squares in 3 ways, for example, as 217621504 + 5597583489 = 14752^2 + 74817^2 .

It is not a de Polignac number, because 5815204993 - 2¹³ = 5815196801 is a prime.

It is a super-2 number, since 2×5815204993² = 67633218221224260098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5815204933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17204580 + ... + 17204917.

It is an arithmetic number, because the mean of its divisors is an integer number (1049489689).

Almost surely, 2^5815204993 is an apocalyptic number.

It is an amenable number.

5815204993 is a deficient number, since it is larger than the sum of its proper divisors (481733141).

5815204993 is a wasteful number, since it uses less digits than its factorization.

5815204993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34409523 (or 34409510 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 46.

The square root of 5815204993 is about 76257.4913893711. The cubic root of 5815204993 is about 1798.2704573104.

The spelling of 5815204993 in words is "five billion, eight hundred fifteen million, two hundred four thousand, nine hundred ninety-three".