1424367641 has 4 divisors (see below), whose sum is σ = 1426925412. Its totient is φ = 1421809872.

The previous prime is 1424367601. The next prime is 1424367653. The reversal of 1424367641 is 1467634241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1467634241 = 641 ⋅2289601.

It can be written as a sum of positive squares in 2 ways, for example, as 623251225 + 801116416 = 24965^2 + 28304^2 .

It is a cyclic number.

It is not a de Polignac number, because 1424367641 - 2³⁰ = 350625817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1424367595 and 1424367604.

It is not an unprimeable number, because it can be changed into a prime (1424367601) 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, 1278050 + ... + 1279163.

It is an arithmetic number, because the mean of its divisors is an integer number (356731353).

Almost surely, 2^1424367641 is an apocalyptic number.

It is an amenable number.

1424367641 is a deficient number, since it is larger than the sum of its proper divisors (2557771).

1424367641 is an equidigital number, since it uses as much as digits as its factorization.

1424367641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2557770.

The product of its digits is 96768, while the sum is 38.

The square root of 1424367641 is about 37740.7954473670. The cubic root of 1424367641 is about 1125.1420768053.

The spelling of 1424367641 in words is "one billion, four hundred twenty-four million, three hundred sixty-seven thousand, six hundred forty-one".