202421244439 has 8 divisors (see below), whose sum is σ = 207392704560. Its totient is φ = 197492458176.

The previous prime is 202421244413. The next prime is 202421244451. The reversal of 202421244439 is 934442124202.

202421244439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202421244439 - 2²⁹ = 201884373527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202421244398 and 202421244407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202421244469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10658862 + ... + 10677835.

It is an arithmetic number, because the mean of its divisors is an integer number (25924088070).

Almost surely, 2^202421244439 is an apocalyptic number.

202421244439 is a deficient number, since it is larger than the sum of its proper divisors (4971460121).

202421244439 is a wasteful number, since it uses less digits than its factorization.

202421244439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21336929.

The product of its (nonzero) digits is 110592, while the sum is 37.

The spelling of 202421244439 in words is "two hundred two billion, four hundred twenty-one million, two hundred forty-four thousand, four hundred thirty-nine".