5815948993 has 2 divisors, whose sum is σ = 5815948994. Its totient is φ = 5815948992.

The previous prime is 5815948991. The next prime is 5815948997. The reversal of 5815948993 is 3998495185.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4295884849 + 1520064144 = 65543^2 + 38988^2 .

It is a cyclic number.

It is not a de Polignac number, because 5815948993 - 2¹ = 5815948991 is a prime.

Together with 5815948991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5815948991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2907974496 + 2907974497.

It is an arithmetic number, because the mean of its divisors is an integer number (2907974497).

Almost surely, 2^5815948993 is an apocalyptic number.

It is an amenable number.

5815948993 is a deficient number, since it is larger than the sum of its proper divisors (1).

5815948993 is an equidigital number, since it uses as much as digits as its factorization.

5815948993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13996800, while the sum is 61.

The square root of 5815948993 is about 76262.3694426026. The cubic root of 5815948993 is about 1798.3471445563.

The spelling of 5815948993 in words is "five billion, eight hundred fifteen million, nine hundred forty-eight thousand, nine hundred ninety-three".