613404240199 has 4 divisors (see below), whose sum is σ = 613422436536. Its totient is φ = 613386043864.

The previous prime is 613404240191. The next prime is 613404240217. The reversal of 613404240199 is 991042404316.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 613404240199 - 2³ = 613404240191 is a prime.

It is a super-2 number, since 2×613404240199² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613404240191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9047509 + ... + 9115054.

It is an arithmetic number, because the mean of its divisors is an integer number (153355609134).

Almost surely, 2^613404240199 is an apocalyptic number.

613404240199 is a deficient number, since it is larger than the sum of its proper divisors (18196337).

613404240199 is a wasteful number, since it uses less digits than its factorization.

613404240199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18196336.

The product of its (nonzero) digits is 186624, while the sum is 43.

The spelling of 613404240199 in words is "six hundred thirteen billion, four hundred four million, two hundred forty thousand, one hundred ninety-nine".