7475482421808 has 20 divisors (see below), whose sum is σ = 19311662923128. Its totient is φ = 2491827473920.

The previous prime is 7475482421801. The next prime is 7475482421857. The reversal of 7475482421808 is 8081242845747.

It is not an unprimeable number, because it can be changed into a prime (7475482421801) 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, 77869608513 + ... + 77869608608.

Almost surely, 2^{7475482421808} is an apocalyptic number.

It is an amenable number.

7475482421808 is an abundant number, since it is smaller than the sum of its proper divisors (11836180501320).

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

7475482421808 is a wasteful number, since it uses less digits than its factorization.

7475482421808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155739217132 (or 155739217126 counting only the distinct ones).

The product of its (nonzero) digits is 32112640, while the sum is 60.

The spelling of 7475482421808 in words is "seven trillion, four hundred seventy-five billion, four hundred eighty-two million, four hundred twenty-one thousand, eight hundred eight".