613381093 has 6 divisors (see below), whose sum is σ = 660660434. Its totient is φ = 566115504.

The previous prime is 613381091. The next prime is 613381103. The reversal of 613381093 is 390183316.

It can be written as a sum of positive squares in 3 ways, for example, as 125059489 + 488321604 = 11183^2 + 22098^2 .

It is not a de Polignac number, because 613381093 - 2¹ = 613381091 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613381091) 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, 85863 + ... + 92731.

Almost surely, 2^613381093 is an apocalyptic number.

It is an amenable number.

613381093 is a deficient number, since it is larger than the sum of its proper divisors (47279341).

613381093 is an frugal number, since it uses more digits than its factorization.

613381093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13751 (or 6882 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 613381093 is about 24766.5317111621. The cubic root of 613381093 is about 849.6566516382.

The spelling of 613381093 in words is "six hundred thirteen million, three hundred eighty-one thousand, ninety-three".