200421301244069 has 2 divisors, whose sum is σ = 200421301244070. Its totient is φ = 200421301244068.

The previous prime is 200421301244053. The next prime is 200421301244189. The reversal of 200421301244069 is 960442103124002.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 180991630675969 + 19429670568100 = 13453313^2 + 4407910^2 .

It is a cyclic number.

It is not a de Polignac number, because 200421301244069 - 2⁴ = 200421301244053 is a prime.

It is a super-2 number, since 2×200421301244069² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200421301244369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100210650622034 + 100210650622035.

It is an arithmetic number, because the mean of its divisors is an integer number (100210650622035).

Almost surely, 2^{200421301244069} is an apocalyptic number.

It is an amenable number.

200421301244069 is a deficient number, since it is larger than the sum of its proper divisors (1).

200421301244069 is an equidigital number, since it uses as much as digits as its factorization.

200421301244069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 200421301244069 in words is "two hundred trillion, four hundred twenty-one billion, three hundred one million, two hundred forty-four thousand, sixty-nine".