223626860969 has 2 divisors, whose sum is σ = 223626860970. Its totient is φ = 223626860968.

The previous prime is 223626860959. The next prime is 223626861109. The reversal of 223626860969 is 969068626322.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193494414400 + 30132446569 = 439880^2 + 173587^2 .

It is a cyclic number.

It is not a de Polignac number, because 223626860969 - 2²⁰ = 223625812393 is a prime.

It is a super-2 number, since 2×223626860969² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (223626860909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111813430484 + 111813430485.

It is an arithmetic number, because the mean of its divisors is an integer number (111813430485).

Almost surely, 2^223626860969 is an apocalyptic number.

It is an amenable number.

223626860969 is a deficient number, since it is larger than the sum of its proper divisors (1).

223626860969 is an equidigital number, since it uses as much as digits as its factorization.

223626860969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20155392, while the sum is 59.

The spelling of 223626860969 in words is "two hundred twenty-three billion, six hundred twenty-six million, eight hundred sixty thousand, nine hundred sixty-nine".