202114143809 has 2 divisors, whose sum is σ = 202114143810. Its totient is φ = 202114143808.

The previous prime is 202114143797. The next prime is 202114143817. The reversal of 202114143809 is 908341411202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186231087025 + 15883056784 = 431545^2 + 126028^2 .

It is a cyclic number.

It is not a de Polignac number, because 202114143809 - 2³⁶ = 133394667073 is a prime.

It is not a weakly prime, because it can be changed into another prime (202114143839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101057071904 + 101057071905.

It is an arithmetic number, because the mean of its divisors is an integer number (101057071905).

Almost surely, 2^202114143809 is an apocalyptic number.

It is an amenable number.

202114143809 is a deficient number, since it is larger than the sum of its proper divisors (1).

202114143809 is an equidigital number, since it uses as much as digits as its factorization.

202114143809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 35.

The spelling of 202114143809 in words is "two hundred two billion, one hundred fourteen million, one hundred forty-three thousand, eight hundred nine".