202104003439 has 4 divisors (see below), whose sum is σ = 217650465256. Its totient is φ = 186557541624.

The previous prime is 202104003427. The next prime is 202104003461. The reversal of 202104003439 is 934300401202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 202104003439 - 2⁵ = 202104003407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202104003539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7773230889 + ... + 7773230914.

It is an arithmetic number, because the mean of its divisors is an integer number (54412616314).

Almost surely, 2^202104003439 is an apocalyptic number.

202104003439 is a deficient number, since it is larger than the sum of its proper divisors (15546461817).

202104003439 is a wasteful number, since it uses less digits than its factorization.

202104003439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15546461816.

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 202104003439 in words is "two hundred two billion, one hundred four million, three thousand, four hundred thirty-nine".