384663909475 has 6 divisors (see below), whose sum is σ = 476983247780. Its totient is φ = 307731127560.

The previous prime is 384663909433. The next prime is 384663909491. The reversal of 384663909475 is 574909366483.

It is not a de Polignac number, because 384663909475 - 2¹³ = 384663901283 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7693278165 + ... + 7693278214.

Almost surely, 2^384663909475 is an apocalyptic number.

384663909475 is a deficient number, since it is larger than the sum of its proper divisors (92319338305).

384663909475 is a wasteful number, since it uses less digits than its factorization.

384663909475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15386556389 (or 15386556384 counting only the distinct ones).

The product of its (nonzero) digits is 117573120, while the sum is 64.

The spelling of 384663909475 in words is "three hundred eighty-four billion, six hundred sixty-three million, nine hundred nine thousand, four hundred seventy-five".