9051980239 has 4 divisors (see below), whose sum is σ = 9111927280. Its totient is φ = 8992033200.

The previous prime is 9051980237. The next prime is 9051980243. The reversal of 9051980239 is 9320891509.

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 9051980239 - 2¹ = 9051980237 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 (9051980237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29973294 + ... + 29973595.

It is an arithmetic number, because the mean of its divisors is an integer number (2277981820).

Almost surely, 2^9051980239 is an apocalyptic number.

9051980239 is a deficient number, since it is larger than the sum of its proper divisors (59947041).

9051980239 is a wasteful number, since it uses less digits than its factorization.

9051980239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59947040.

The product of its (nonzero) digits is 174960, while the sum is 46.

The square root of 9051980239 is about 95141.8952880381. The cubic root of 9051980239 is about 2084.0807031025.

The spelling of 9051980239 in words is "nine billion, fifty-one million, nine hundred eighty thousand, two hundred thirty-nine".