5641223061 has 4 divisors (see below), whose sum is σ = 7521630752. Its totient is φ = 3760815372.

The previous prime is 5641223051. The next prime is 5641223111. The reversal of 5641223061 is 1603221465.

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 not a de Polignac number, because 5641223061 - 2⁶ = 5641222997 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 (5641223011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 940203841 + ... + 940203846.

It is an arithmetic number, because the mean of its divisors is an integer number (1880407688).

Almost surely, 2^5641223061 is an apocalyptic number.

It is an amenable number.

5641223061 is a deficient number, since it is larger than the sum of its proper divisors (1880407691).

5641223061 is a wasteful number, since it uses less digits than its factorization.

5641223061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880407690.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 5641223061 is about 75108.0758707078. The cubic root of 5641223061 is about 1780.1547503594.

The spelling of 5641223061 in words is "five billion, six hundred forty-one million, two hundred twenty-three thousand, sixty-one".