2338881521 has 8 divisors (see below), whose sum is σ = 2415477504. Its totient is φ = 2262357360.

The previous prime is 2338881511. The next prime is 2338881533. The reversal of 2338881521 is 1251888332.

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

It is a cyclic number.

It is not a de Polignac number, because 2338881521 - 2²² = 2334687217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2338881511) 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 7 ways as a sum of consecutive naturals, for example, 52715 + ... + 86351.

It is an arithmetic number, because the mean of its divisors is an integer number (301934688).

Almost surely, 2^2338881521 is an apocalyptic number.

It is an amenable number.

2338881521 is a deficient number, since it is larger than the sum of its proper divisors (76595983).

2338881521 is a wasteful number, since it uses less digits than its factorization.

2338881521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35911.

The product of its digits is 92160, while the sum is 41.

The square root of 2338881521 is about 48361.9842541639. The cubic root of 2338881521 is about 1327.4028350781.

The spelling of 2338881521 in words is "two billion, three hundred thirty-eight million, eight hundred eighty-one thousand, five hundred twenty-one".