16474905427 has 4 divisors (see below), whose sum is σ = 16475621760. Its totient is φ = 16474189096.

The previous prime is 16474905413. The next prime is 16474905449. The reversal of 16474905427 is 72450947461.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16474905427 - 2¹⁹ = 16474381139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16474905407) 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, 322483 + ... + 370060.

It is an arithmetic number, because the mean of its divisors is an integer number (4118905440).

Almost surely, 2^16474905427 is an apocalyptic number.

16474905427 is a deficient number, since it is larger than the sum of its proper divisors (716333).

16474905427 is an equidigital number, since it uses as much as digits as its factorization.

16474905427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716332.

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 16474905427 in words is "sixteen billion, four hundred seventy-four million, nine hundred five thousand, four hundred twenty-seven".