202444341989 has 2 divisors, whose sum is σ = 202444341990. Its totient is φ = 202444341988.

The previous prime is 202444341959. The next prime is 202444342033. The reversal of 202444341989 is 989143444202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197660268100 + 4784073889 = 444590^2 + 69167^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202444341989 is a prime.

It is a super-2 number, since 2×202444341989² (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 (202444341919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101222170994 + 101222170995.

It is an arithmetic number, because the mean of its divisors is an integer number (101222170995).

Almost surely, 2^202444341989 is an apocalyptic number.

It is an amenable number.

202444341989 is a deficient number, since it is larger than the sum of its proper divisors (1).

202444341989 is an equidigital number, since it uses as much as digits as its factorization.

202444341989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1990656, while the sum is 50.

The spelling of 202444341989 in words is "two hundred two billion, four hundred forty-four million, three hundred forty-one thousand, nine hundred eighty-nine".