102200200649 has 2 divisors, whose sum is σ = 102200200650. Its totient is φ = 102200200648.

The previous prime is 102200200637. The next prime is 102200200667. The reversal of 102200200649 is 946002002201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91057287049 + 11142913600 = 301757^2 + 105560^2 .

It is a cyclic number.

It is not a de Polignac number, because 102200200649 - 2²⁰ = 102199152073 is a prime.

It is not a weakly prime, because it can be changed into another prime (102200200699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51100100324 + 51100100325.

It is an arithmetic number, because the mean of its divisors is an integer number (51100100325).

Almost surely, 2^102200200649 is an apocalyptic number.

It is an amenable number.

102200200649 is a deficient number, since it is larger than the sum of its proper divisors (1).

102200200649 is an equidigital number, since it uses as much as digits as its factorization.

102200200649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 102200200649 in words is "one hundred two billion, two hundred million, two hundred thousand, six hundred forty-nine".