5613773861 has 4 divisors (see below), whose sum is σ = 5807352300. Its totient is φ = 5420195424.

The previous prime is 5613773857. The next prime is 5613773863. The reversal of 5613773861 is 1683773165.

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 1142845636 + 4470928225 = 33806^2 + 66865^2 .

It is a cyclic number.

It is not a de Polignac number, because 5613773861 - 2² = 5613773857 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5613773863) 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, 96789176 + ... + 96789233.

It is an arithmetic number, because the mean of its divisors is an integer number (1451838075).

Almost surely, 2^5613773861 is an apocalyptic number.

It is an amenable number.

5613773861 is a deficient number, since it is larger than the sum of its proper divisors (193578439).

5613773861 is a wasteful number, since it uses less digits than its factorization.

5613773861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193578438.

The product of its digits is 635040, while the sum is 47.

The square root of 5613773861 is about 74925.1216949295. The cubic root of 5613773861 is about 1777.2627478956.

The spelling of 5613773861 in words is "five billion, six hundred thirteen million, seven hundred seventy-three thousand, eight hundred sixty-one".