8401384475 has 12 divisors (see below), whose sum is σ = 11364782280. Its totient is φ = 6110097600.

The previous prime is 8401384469. The next prime is 8401384483. The reversal of 8401384475 is 5744831048.

It is not a de Polignac number, because 8401384475 - 2²⁰ = 8400335899 is a prime.

It is a super-2 number, since 2×8401384475² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15274970 + ... + 15275519.

It is an arithmetic number, because the mean of its divisors is an integer number (947065190).

Almost surely, 2^8401384475 is an apocalyptic number.

8401384475 is a deficient number, since it is larger than the sum of its proper divisors (2963397805).

8401384475 is a wasteful number, since it uses less digits than its factorization.

8401384475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30550510 (or 30550505 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 44.

The square root of 8401384475 is about 91659.0665182665. The cubic root of 8401384475 is about 2032.9043880776.

The spelling of 8401384475 in words is "eight billion, four hundred one million, three hundred eighty-four thousand, four hundred seventy-five".