9942052499 has 4 divisors (see below), whose sum is σ = 10465318440. Its totient is φ = 9418786560.

The previous prime is 9942052451. The next prime is 9942052511. The reversal of 9942052499 is 9942502499.

9942052499 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 9942052499 - 2²⁸ = 9673617043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9942052499.

It is not an unprimeable number, because it can be changed into a prime (9942052429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261632942 + ... + 261632979.

It is an arithmetic number, because the mean of its divisors is an integer number (2616329610).

Almost surely, 2^9942052499 is an apocalyptic number.

9942052499 is a deficient number, since it is larger than the sum of its proper divisors (523265941).

9942052499 is a wasteful number, since it uses less digits than its factorization.

9942052499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523265940.

The product of its (nonzero) digits is 2099520, while the sum is 53.

The square root of 9942052499 is about 99709.8415353269. The cubic root of 9942052499 is about 2150.2651556155.

The spelling of 9942052499 in words is "nine billion, nine hundred forty-two million, fifty-two thousand, four hundred ninety-nine".