244641561133 has 4 divisors (see below), whose sum is σ = 250330899808. Its totient is φ = 238952222460.

The previous prime is 244641561121. The next prime is 244641561137. The reversal of 244641561133 is 331165146442.

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 244641561133 - 2³⁷ = 107202607661 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 (244641561137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2844669273 + ... + 2844669358.

It is an arithmetic number, because the mean of its divisors is an integer number (62582724952).

Almost surely, 2^244641561133 is an apocalyptic number.

It is an amenable number.

244641561133 is a deficient number, since it is larger than the sum of its proper divisors (5689338675).

244641561133 is an equidigital number, since it uses as much as digits as its factorization.

244641561133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5689338674.

The product of its digits is 207360, while the sum is 40.

The spelling of 244641561133 in words is "two hundred forty-four billion, six hundred forty-one million, five hundred sixty-one thousand, one hundred thirty-three".