613038720097 has 4 divisors (see below), whose sum is σ = 613557805716. Its totient is φ = 612519634480.

The previous prime is 613038720083. The next prime is 613038720113. The reversal of 613038720097 is 790027830316.

It is a happy number.

613038720097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 271666118656 + 341372601441 = 521216^2 + 584271^2 .

It is a cyclic number.

It is not a de Polignac number, because 613038720097 - 2¹¹ = 613038718049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (613038720037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259541038 + ... + 259543399.

It is an arithmetic number, because the mean of its divisors is an integer number (153389451429).

Almost surely, 2^613038720097 is an apocalyptic number.

It is an amenable number.

613038720097 is a deficient number, since it is larger than the sum of its proper divisors (519085619).

613038720097 is a wasteful number, since it uses less digits than its factorization.

613038720097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519085618.

The product of its (nonzero) digits is 381024, while the sum is 46.

The spelling of 613038720097 in words is "six hundred thirteen billion, thirty-eight million, seven hundred twenty thousand, ninety-seven".