9557920339 has 4 divisors (see below), whose sum is σ = 10426822200. Its totient is φ = 8689018480.

The previous prime is 9557920321. The next prime is 9557920343. The reversal of 9557920339 is 9330297559.

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 9557920339 - 2¹¹ = 9557918291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9557920349) 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, 434450914 + ... + 434450935.

It is an arithmetic number, because the mean of its divisors is an integer number (2606705550).

Almost surely, 2^9557920339 is an apocalyptic number.

9557920339 is a deficient number, since it is larger than the sum of its proper divisors (868901861).

9557920339 is a wasteful number, since it uses less digits than its factorization.

9557920339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868901860.

The product of its (nonzero) digits is 2296350, while the sum is 52.

The square root of 9557920339 is about 97764.6170094273. The cubic root of 9557920339 is about 2122.2072906644.

The spelling of 9557920339 in words is "nine billion, five hundred fifty-seven million, nine hundred twenty thousand, three hundred thirty-nine".