1426433243 has 8 divisors (see below), whose sum is σ = 1445169600. Its totient is φ = 1407714048.

The previous prime is 1426433231. The next prime is 1426433249. The reversal of 1426433243 is 3423346241.

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

It is a cyclic number.

It is not a de Polignac number, because 1426433243 - 2¹⁸ = 1426171099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1426433249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324005 + ... + 328377.

It is an arithmetic number, because the mean of its divisors is an integer number (180646200).

Almost surely, 2^1426433243 is an apocalyptic number.

1426433243 is a deficient number, since it is larger than the sum of its proper divisors (18736357).

1426433243 is an equidigital number, since it uses as much as digits as its factorization.

1426433243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8581.

The product of its digits is 41472, while the sum is 32.

The square root of 1426433243 is about 37768.1511726481. The cubic root of 1426433243 is about 1125.6857035821.

Adding to 1426433243 its reverse (3423346241), we get a palindrome (4849779484).

The spelling of 1426433243 in words is "one billion, four hundred twenty-six million, four hundred thirty-three thousand, two hundred forty-three".