244047543661 has 4 divisors (see below), whose sum is σ = 244712523712. Its totient is φ = 243382563612.

The previous prime is 244047543643. The next prime is 244047543709. The reversal of 244047543661 is 166345740442.

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 244047543661 - 2⁵ = 244047543629 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 (244047543361) 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, 332489475 + ... + 332490208.

It is an arithmetic number, because the mean of its divisors is an integer number (61178130928).

Almost surely, 2^244047543661 is an apocalyptic number.

It is an amenable number.

244047543661 is a deficient number, since it is larger than the sum of its proper divisors (664980051).

244047543661 is an equidigital number, since it uses as much as digits as its factorization.

244047543661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664980050.

The product of its (nonzero) digits is 1935360, while the sum is 46.

The spelling of 244047543661 in words is "two hundred forty-four billion, forty-seven million, five hundred forty-three thousand, six hundred sixty-one".