424444325531413 has 4 divisors (see below), whose sum is σ = 463030173307008. Its totient is φ = 385858477755820.

The previous prime is 424444325531363. The next prime is 424444325531423. The reversal of 424444325531413 is 314135523444424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424444325531413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424444325531423) 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, 19292923887781 + ... + 19292923887802.

It is an arithmetic number, because the mean of its divisors is an integer number (115757543326752).

Almost surely, 2^{424444325531413} is an apocalyptic number.

It is an amenable number.

424444325531413 is a deficient number, since it is larger than the sum of its proper divisors (38585847775595).

424444325531413 is a wasteful number, since it uses less digits than its factorization.

424444325531413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38585847775594.

The product of its digits is 11059200, while the sum is 49.

Adding to 424444325531413 its reverse (314135523444424), we get a palindrome (738579848975837).

The spelling of 424444325531413 in words is "four hundred twenty-four trillion, four hundred forty-four billion, three hundred twenty-five million, five hundred thirty-one thousand, four hundred thirteen".