561544301049 has 4 divisors (see below), whose sum is σ = 748725734736. Its totient is φ = 374362867364.

The previous prime is 561544301029. The next prime is 561544301063. The reversal of 561544301049 is 940103445165.

It is a happy number.

561544301049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 561544301049 - 2²¹ = 561542203897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 561544301049.

It is not an unprimeable number, because it can be changed into a prime (561544301029) 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, 93590716839 + ... + 93590716844.

It is an arithmetic number, because the mean of its divisors is an integer number (187181433684).

Almost surely, 2^561544301049 is an apocalyptic number.

It is an amenable number.

561544301049 is a deficient number, since it is larger than the sum of its proper divisors (187181433687).

561544301049 is a wasteful number, since it uses less digits than its factorization.

561544301049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187181433686.

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

The spelling of 561544301049 in words is "five hundred sixty-one billion, five hundred forty-four million, three hundred one thousand, forty-nine".