9421255338 has 32 divisors (see below), whose sum is σ = 20559344832. Its totient is φ = 2854387200.

The previous prime is 9421255303. The next prime is 9421255343. The reversal of 9421255338 is 8335521249.

It is a self number, because there is not a number n which added to its sum of digits gives 9421255338.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468858 + ... + 488538.

It is an arithmetic number, because the mean of its divisors is an integer number (642479526).

Almost surely, 2^9421255338 is an apocalyptic number.

9421255338 is an abundant number, since it is smaller than the sum of its proper divisors (11138089494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9421255338 is a wasteful number, since it uses less digits than its factorization.

9421255338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26950.

The product of its digits is 259200, while the sum is 42.

The square root of 9421255338 is about 97063.1512882206. The cubic root of 9421255338 is about 2112.0438210999.

The spelling of 9421255338 in words is "nine billion, four hundred twenty-one million, two hundred fifty-five thousand, three hundred thirty-eight".