4451242424531 has 4 divisors (see below), whose sum is σ = 5087134199472. Its totient is φ = 3815350649592.

The previous prime is 4451242424513. The next prime is 4451242424569. The reversal of 4451242424531 is 1354242421544.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4451242424531 is a prime.

It is a super-2 number, since 2×4451242424531² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4451242429531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317945887460 + ... + 317945887473.

It is an arithmetic number, because the mean of its divisors is an integer number (1271783549868).

Almost surely, 2^{4451242424531} is an apocalyptic number.

4451242424531 is a deficient number, since it is larger than the sum of its proper divisors (635891774941).

4451242424531 is an equidigital number, since it uses as much as digits as its factorization.

4451242424531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635891774940.

The product of its digits is 614400, while the sum is 41.

The spelling of 4451242424531 in words is "four trillion, four hundred fifty-one billion, two hundred forty-two million, four hundred twenty-four thousand, five hundred thirty-one".