202044440413 has 2 divisors, whose sum is σ = 202044440414. Its totient is φ = 202044440412.

The previous prime is 202044440357. The next prime is 202044440443. The reversal of 202044440413 is 314044440202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196016936644 + 6027503769 = 442738^2 + 77637^2 .

It is a cyclic number.

It is not a de Polignac number, because 202044440413 - 2³⁷ = 64605486941 is a prime.

It is a super-2 number, since 2×202044440413² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202044440443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101022220206 + 101022220207.

It is an arithmetic number, because the mean of its divisors is an integer number (101022220207).

Almost surely, 2^202044440413 is an apocalyptic number.

It is an amenable number.

202044440413 is a deficient number, since it is larger than the sum of its proper divisors (1).

202044440413 is an equidigital number, since it uses as much as digits as its factorization.

202044440413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 202044440413 its reverse (314044440202), we get a palindrome (516088880615).

The spelling of 202044440413 in words is "two hundred two billion, forty-four million, four hundred forty thousand, four hundred thirteen".