613560406051 has 4 divisors (see below), whose sum is σ = 614255265832. Its totient is φ = 612865546272.

The previous prime is 613560406009. The next prime is 613560406117. The reversal of 613560406051 is 150604065316.

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 613560406051 - 2¹⁹ = 613559881763 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 613560406051.

It is not an unprimeable number, because it can be changed into a prime (613560406751) 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, 347428566 + ... + 347430331.

It is an arithmetic number, because the mean of its divisors is an integer number (153563816458).

Almost surely, 2^613560406051 is an apocalyptic number.

613560406051 is a deficient number, since it is larger than the sum of its proper divisors (694859781).

613560406051 is an equidigital number, since it uses as much as digits as its factorization.

613560406051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694859780.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 613560406051 in words is "six hundred thirteen billion, five hundred sixty million, four hundred six thousand, fifty-one".