1424579813 has 4 divisors (see below), whose sum is σ = 1437186828. Its totient is φ = 1411972800.

The previous prime is 1424579801. The next prime is 1424579831. The reversal of 1424579813 is 3189754241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3189754241 = 23 ⋅138684967.

It can be written as a sum of positive squares in 2 ways, for example, as 555922084 + 868657729 = 23578^2 + 29473^2 .

It is a cyclic number.

It is not a de Polignac number, because 1424579813 - 2¹⁸ = 1424317669 is a prime.

It is a super-2 number, since 2×1424579813² = 4058855287214229938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424579843) 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 in 3 ways as a sum of consecutive naturals, for example, 6303338 + ... + 6303563.

It is an arithmetic number, because the mean of its divisors is an integer number (359296707).

Almost surely, 2^1424579813 is an apocalyptic number.

It is an amenable number.

1424579813 is a deficient number, since it is larger than the sum of its proper divisors (12607015).

1424579813 is a wasteful number, since it uses less digits than its factorization.

1424579813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12607014.

The product of its digits is 241920, while the sum is 44.

The square root of 1424579813 is about 37743.6062532451. The cubic root of 1424579813 is about 1125.1979406112.

The spelling of 1424579813 in words is "one billion, four hundred twenty-four million, five hundred seventy-nine thousand, eight hundred thirteen".