9873204469 has 2 divisors, whose sum is σ = 9873204470. Its totient is φ = 9873204468.

The previous prime is 9873204437. The next prime is 9873204553. The reversal of 9873204469 is 9644023789.

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., 9464760369 + 408444100 = 97287^2 + 20210^2 .

It is a cyclic number.

It is not a de Polignac number, because 9873204469 - 2⁵ = 9873204437 is a prime.

It is a super-2 number, since 2×9873204469² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9873264469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4936602234 + 4936602235.

It is an arithmetic number, because the mean of its divisors is an integer number (4936602235).

Almost surely, 2^9873204469 is an apocalyptic number.

It is an amenable number.

9873204469 is a deficient number, since it is larger than the sum of its proper divisors (1).

9873204469 is an equidigital number, since it uses as much as digits as its factorization.

9873204469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2612736, while the sum is 52.

The square root of 9873204469 is about 99363.9998641359. Note that the first 3 decimals coincide. The cubic root of 9873204469 is about 2145.2901746270.

The spelling of 9873204469 in words is "nine billion, eight hundred seventy-three million, two hundred four thousand, four hundred sixty-nine".