9915457339 has 4 divisors (see below), whose sum is σ = 9920708280. Its totient is φ = 9910206400.

The previous prime is 9915457327. The next prime is 9915457361. The reversal of 9915457339 is 9337545199.

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 9915457339 - 2¹⁹ = 9914933051 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 9915457339.

It is not an unprimeable number, because it can be changed into a prime (9915457369) 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 3 ways as a sum of consecutive naturals, for example, 2622637 + ... + 2626414.

It is an arithmetic number, because the mean of its divisors is an integer number (2480177070).

Almost surely, 2^9915457339 is an apocalyptic number.

9915457339 is a deficient number, since it is larger than the sum of its proper divisors (5250941).

9915457339 is a wasteful number, since it uses less digits than its factorization.

9915457339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5250940.

The product of its digits is 4592700, while the sum is 55.

The square root of 9915457339 is about 99576.3894655756. The cubic root of 9915457339 is about 2148.3461114501.

The spelling of 9915457339 in words is "nine billion, nine hundred fifteen million, four hundred fifty-seven thousand, three hundred thirty-nine".