11933490447 has 12 divisors (see below), whose sum is σ = 17238642720. Its totient is φ = 7955023968.

The previous prime is 11933490431. The next prime is 11933490449. The reversal of 11933490447 is 74409433911.

11933490447 is a `hidden beast` number, since 1 + 1 + 93 + 34 + 90 + 447 = 666.

It is not a de Polignac number, because 11933490447 - 2⁴ = 11933490431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11933490449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84523 + ... + 176099.

It is an arithmetic number, because the mean of its divisors is an integer number (1436553560).

Almost surely, 2^11933490447 is an apocalyptic number.

11933490447 is a deficient number, since it is larger than the sum of its proper divisors (5305152273).

11933490447 is a wasteful number, since it uses less digits than its factorization.

11933490447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106062 (or 106059 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 11933490447 in words is "eleven billion, nine hundred thirty-three million, four hundred ninety thousand, four hundred forty-seven".