613664551041 has 4 divisors (see below), whose sum is σ = 818219401392. Its totient is φ = 409109700692.

The previous prime is 613664551013. The next prime is 613664551063. The reversal of 613664551041 is 140155466316.

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 613664551041 - 2⁵ = 613664551009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 613664550984 and 613664551002.

It is not an unprimeable number, because it can be changed into a prime (613664551091) 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, 102277425171 + ... + 102277425176.

It is an arithmetic number, because the mean of its divisors is an integer number (204554850348).

Almost surely, 2^613664551041 is an apocalyptic number.

It is an amenable number.

613664551041 is a deficient number, since it is larger than the sum of its proper divisors (204554850351).

613664551041 is a wasteful number, since it uses less digits than its factorization.

613664551041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204554850350.

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 613664551041 in words is "six hundred thirteen billion, six hundred sixty-four million, five hundred fifty-one thousand, forty-one".