202104109913 has 2 divisors, whose sum is σ = 202104109914. Its totient is φ = 202104109912.

The previous prime is 202104109871. The next prime is 202104109943. The reversal of 202104109913 is 319901401202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107985846544 + 94118263369 = 328612^2 + 306787^2 .

It is a cyclic number.

It is not a de Polignac number, because 202104109913 - 2²⁸ = 201835674457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202104109913.

It is not a weakly prime, because it can be changed into another prime (202104109943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101052054956 + 101052054957.

It is an arithmetic number, because the mean of its divisors is an integer number (101052054957).

Almost surely, 2^202104109913 is an apocalyptic number.

It is an amenable number.

202104109913 is a deficient number, since it is larger than the sum of its proper divisors (1).

202104109913 is an equidigital number, since it uses as much as digits as its factorization.

202104109913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 32.

The spelling of 202104109913 in words is "two hundred two billion, one hundred four million, one hundred nine thousand, nine hundred thirteen".