1424172643 has 8 divisors (see below), whose sum is σ = 1471481856. Its totient is φ = 1376949000.

The previous prime is 1424172641. The next prime is 1424172667. The reversal of 1424172643 is 3462714241.

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 1424172643 - 2¹ = 1424172641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1424172599 and 1424172608.

It is not an unprimeable number, because it can be changed into a prime (1424172641) 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, 13368 + ... + 55018.

It is an arithmetic number, because the mean of its divisors is an integer number (183935232).

Almost surely, 2^1424172643 is an apocalyptic number.

1424172643 is a deficient number, since it is larger than the sum of its proper divisors (47309213).

1424172643 is a wasteful number, since it uses less digits than its factorization.

1424172643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42785.

The product of its digits is 32256, while the sum is 34.

The square root of 1424172643 is about 37738.2119740721. The cubic root of 1424172643 is about 1125.0907299336.

Adding to 1424172643 its reverse (3462714241), we get a palindrome (4886886884).

The spelling of 1424172643 in words is "one billion, four hundred twenty-four million, one hundred seventy-two thousand, six hundred forty-three".