223381589749 has 4 divisors (see below), whose sum is σ = 223627876864. Its totient is φ = 223135302636.

The previous prime is 223381589741. The next prime is 223381589771. The reversal of 223381589749 is 947985183322.

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 223381589749 - 2³ = 223381589741 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 (223381589741) 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, 123142197 + ... + 123144010.

It is an arithmetic number, because the mean of its divisors is an integer number (55906969216).

Almost surely, 2^223381589749 is an apocalyptic number.

It is an amenable number.

223381589749 is a deficient number, since it is larger than the sum of its proper divisors (246287115).

223381589749 is an equidigital number, since it uses as much as digits as its factorization.

223381589749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246287114.

The product of its digits is 26127360, while the sum is 61.

The spelling of 223381589749 in words is "two hundred twenty-three billion, three hundred eighty-one million, five hundred eighty-nine thousand, seven hundred forty-nine".