223427587649 has 8 divisors (see below), whose sum is σ = 255653837760. Its totient is φ = 191278343376.

The previous prime is 223427587631. The next prime is 223427587681. The reversal of 223427587649 is 946785724322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 223427587649 - 2²⁸ = 223159152193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223427587549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19245239 + ... + 19256844.

It is an arithmetic number, because the mean of its divisors is an integer number (31956729720).

Almost surely, 2^223427587649 is an apocalyptic number.

It is an amenable number.

223427587649 is a deficient number, since it is larger than the sum of its proper divisors (32226250111).

223427587649 is an equidigital number, since it uses as much as digits as its factorization.

223427587649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38502919.

The product of its digits is 40642560, while the sum is 59.

The spelling of 223427587649 in words is "two hundred twenty-three billion, four hundred twenty-seven million, five hundred eighty-seven thousand, six hundred forty-nine".