202087242389 has 8 divisors (see below), whose sum is σ = 211794495360. Its totient is φ = 192456727056.

The previous prime is 202087242353. The next prime is 202087242421. The reversal of 202087242389 is 983242780202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202087242389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202087242319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19179017 + ... + 19189550.

It is an arithmetic number, because the mean of its divisors is an integer number (26474311920).

Almost surely, 2^202087242389 is an apocalyptic number.

It is an amenable number.

202087242389 is a deficient number, since it is larger than the sum of its proper divisors (9707252971).

202087242389 is a wasteful number, since it uses less digits than its factorization.

202087242389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38368819.

The product of its (nonzero) digits is 774144, while the sum is 47.

The spelling of 202087242389 in words is "two hundred two billion, eighty-seven million, two hundred forty-two thousand, three hundred eighty-nine".