5423521947 has 8 divisors (see below), whose sum is σ = 7298945856. Its totient is φ = 3581889672.

The previous prime is 5423521927. The next prime is 5423521981. The reversal of 5423521947 is 7491253245.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5423521947 - 2¹⁵ = 5423489179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5423521899 and 5423521908.

It is not an unprimeable number, because it can be changed into a prime (5423521927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8447533 + ... + 8448174.

It is an arithmetic number, because the mean of its divisors is an integer number (912368232).

Almost surely, 2^5423521947 is an apocalyptic number.

5423521947 is a deficient number, since it is larger than the sum of its proper divisors (1875423909).

5423521947 is a wasteful number, since it uses less digits than its factorization.

5423521947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16895817.

The product of its digits is 302400, while the sum is 42.

The square root of 5423521947 is about 73644.5649522081. The cubic root of 5423521947 is about 1756.9543083590.

The spelling of 5423521947 in words is "five billion, four hundred twenty-three million, five hundred twenty-one thousand, nine hundred forty-seven".