10002217949 has 2 divisors, whose sum is σ = 10002217950. Its totient is φ = 10002217948.

The previous prime is 10002217933. The next prime is 10002217957. The reversal of 10002217949 is 94971220001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9946072900 + 56145049 = 99730^2 + 7493^2 .

It is a cyclic number.

It is not a de Polignac number, because 10002217949 - 2⁴ = 10002217933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10002217969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5001108974 + 5001108975.

It is an arithmetic number, because the mean of its divisors is an integer number (5001108975).

Almost surely, 2^10002217949 is an apocalyptic number.

It is an amenable number.

10002217949 is a deficient number, since it is larger than the sum of its proper divisors (1).

10002217949 is an equidigital number, since it uses as much as digits as its factorization.

10002217949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 35.

The spelling of 10002217949 in words is "ten billion, two million, two hundred seventeen thousand, nine hundred forty-nine".