202044020449 has 2 divisors, whose sum is σ = 202044020450. Its totient is φ = 202044020448.

The previous prime is 202044020429. The next prime is 202044020533. The reversal of 202044020449 is 944020440202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 168208257424 + 33835763025 = 410132^2 + 183945^2 .

It is a cyclic number.

It is not a de Polignac number, because 202044020449 - 2¹¹ = 202044018401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202044020449.

It is not a weakly prime, because it can be changed into another prime (202044020429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101022010224 + 101022010225.

It is an arithmetic number, because the mean of its divisors is an integer number (101022010225).

Almost surely, 2^202044020449 is an apocalyptic number.

It is an amenable number.

202044020449 is a deficient number, since it is larger than the sum of its proper divisors (1).

202044020449 is an equidigital number, since it uses as much as digits as its factorization.

202044020449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 31.

The spelling of 202044020449 in words is "two hundred two billion, forty-four million, twenty thousand, four hundred forty-nine".