5291421536 has 12 divisors (see below), whose sum is σ = 10417486212. Its totient is φ = 2645710752.

The previous prime is 5291421533. The next prime is 5291421557. The reversal of 5291421536 is 6351241925.

It is a self number, because there is not a number n which added to its sum of digits gives 5291421536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5291421533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82678430 + ... + 82678493.

It is an arithmetic number, because the mean of its divisors is an integer number (868123851).

Almost surely, 2^5291421536 is an apocalyptic number.

It is an amenable number.

5291421536 is a deficient number, since it is larger than the sum of its proper divisors (5126064676).

5291421536 is a wasteful number, since it uses less digits than its factorization.

5291421536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165356933 (or 165356925 counting only the distinct ones).

The product of its digits is 64800, while the sum is 38.

The square root of 5291421536 is about 72742.1579003538. The cubic root of 5291421536 is about 1742.5722224147.

The spelling of 5291421536 in words is "five billion, two hundred ninety-one million, four hundred twenty-one thousand, five hundred thirty-six".