424538945287 has 4 divisors (see below), whose sum is σ = 432549114120. Its totient is φ = 416528776456.

The previous prime is 424538945269. The next prime is 424538945309. The reversal of 424538945287 is 782549835424.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424538945287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424538945087) 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, 4005084337 + ... + 4005084442.

It is an arithmetic number, because the mean of its divisors is an integer number (108137278530).

Almost surely, 2^424538945287 is an apocalyptic number.

424538945287 is a deficient number, since it is larger than the sum of its proper divisors (8010168833).

424538945287 is an equidigital number, since it uses as much as digits as its factorization.

424538945287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8010168832.

The product of its digits is 77414400, while the sum is 61.

The spelling of 424538945287 in words is "four hundred twenty-four billion, five hundred thirty-eight million, nine hundred forty-five thousand, two hundred eighty-seven".