5394779993 has 2 divisors, whose sum is σ = 5394779994. Its totient is φ = 5394779992.

The previous prime is 5394779969. The next prime is 5394780023. The reversal of 5394779993 is 3999774935.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3827649424 + 1567130569 = 61868^2 + 39587^2 .

It is a cyclic number.

It is not a de Polignac number, because 5394779993 - 2⁸ = 5394779737 is a prime.

It is not a weakly prime, because it can be changed into another prime (5394779903) 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 as a sum of consecutive naturals, namely, 2697389996 + 2697389997.

It is an arithmetic number, because the mean of its divisors is an integer number (2697389997).

Almost surely, 2^5394779993 is an apocalyptic number.

It is an amenable number.

5394779993 is a deficient number, since it is larger than the sum of its proper divisors (1).

5394779993 is an equidigital number, since it uses as much as digits as its factorization.

5394779993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57868020, while the sum is 65.

The square root of 5394779993 is about 73449.1660470015. The cubic root of 5394779993 is about 1753.8451498197.

The spelling of 5394779993 in words is "five billion, three hundred ninety-four million, seven hundred seventy-nine thousand, nine hundred ninety-three".