223310001949 has 2 divisors, whose sum is σ = 223310001950. Its totient is φ = 223310001948.

The previous prime is 223310001899. The next prime is 223310001953. The reversal of 223310001949 is 949100013322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 223060677849 + 249324100 = 472293^2 + 15790^2 .

It is a cyclic number.

It is not a de Polignac number, because 223310001949 - 2⁹ = 223310001437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223310001349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111655000974 + 111655000975.

It is an arithmetic number, because the mean of its divisors is an integer number (111655000975).

Almost surely, 2^223310001949 is an apocalyptic number.

It is an amenable number.

223310001949 is a deficient number, since it is larger than the sum of its proper divisors (1).

223310001949 is an equidigital number, since it uses as much as digits as its factorization.

223310001949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The spelling of 223310001949 in words is "two hundred twenty-three billion, three hundred ten million, one thousand, nine hundred forty-nine".