424644676433 has 4 divisors (see below), whose sum is σ = 439287596340. Its totient is φ = 410001756528.

The previous prime is 424644676427. The next prime is 424644676457. The reversal of 424644676433 is 334676446424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 239803151809 + 184841524624 = 489697^2 + 429932^2 .

It is a cyclic number.

It is not a de Polignac number, because 424644676433 - 2⁶ = 424644676369 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (424644676403) 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, 7321459910 + ... + 7321459967.

It is an arithmetic number, because the mean of its divisors is an integer number (109821899085).

Almost surely, 2^424644676433 is an apocalyptic number.

It is an amenable number.

424644676433 is a deficient number, since it is larger than the sum of its proper divisors (14642919907).

424644676433 is a wasteful number, since it uses less digits than its factorization.

424644676433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14642919906.

The product of its digits is 27869184, while the sum is 53.

The spelling of 424644676433 in words is "four hundred twenty-four billion, six hundred forty-four million, six hundred seventy-six thousand, four hundred thirty-three".