613945089137 has 4 divisors (see below), whose sum is σ = 627007750656. Its totient is φ = 600882427620.

The previous prime is 613945089103. The next prime is 613945089139. The reversal of 613945089137 is 731980549316.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 613945089137 - 2⁶ = 613945089073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (613945089139) 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, 6531330689 + ... + 6531330782.

It is an arithmetic number, because the mean of its divisors is an integer number (156751937664).

Almost surely, 2^613945089137 is an apocalyptic number.

It is an amenable number.

613945089137 is a deficient number, since it is larger than the sum of its proper divisors (13062661519).

613945089137 is a wasteful number, since it uses less digits than its factorization.

613945089137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13062661518.

The product of its (nonzero) digits is 4898880, while the sum is 56.

The spelling of 613945089137 in words is "six hundred thirteen billion, nine hundred forty-five million, eighty-nine thousand, one hundred thirty-seven".