202103043893 has 2 divisors, whose sum is σ = 202103043894. Its totient is φ = 202103043892.

The previous prime is 202103043881. The next prime is 202103043913. The reversal of 202103043893 is 398340301202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 170794572529 + 31308471364 = 413273^2 + 176942^2 .

It is a cyclic number.

It is not a de Polignac number, because 202103043893 - 2⁶ = 202103043829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202103042893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101051521946 + 101051521947.

It is an arithmetic number, because the mean of its divisors is an integer number (101051521947).

Almost surely, 2^202103043893 is an apocalyptic number.

It is an amenable number.

202103043893 is a deficient number, since it is larger than the sum of its proper divisors (1).

202103043893 is an equidigital number, since it uses as much as digits as its factorization.

202103043893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 202103043893 in words is "two hundred two billion, one hundred three million, forty-three thousand, eight hundred ninety-three".