10223019949 has 2 divisors, whose sum is σ = 10223019950. Its totient is φ = 10223019948.

The previous prime is 10223019847. The next prime is 10223019953. The reversal of 10223019949 is 94991032201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6643391049 + 3579628900 = 81507^2 + 59830^2 .

It is a cyclic number.

It is not a de Polignac number, because 10223019949 - 2²⁷ = 10088802221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10223019959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5111509974 + 5111509975.

It is an arithmetic number, because the mean of its divisors is an integer number (5111509975).

Almost surely, 2^10223019949 is an apocalyptic number.

It is an amenable number.

10223019949 is a deficient number, since it is larger than the sum of its proper divisors (1).

10223019949 is an equidigital number, since it uses as much as digits as its factorization.

10223019949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 40.

The spelling of 10223019949 in words is "ten billion, two hundred twenty-three million, nineteen thousand, nine hundred forty-nine".