424923595387 has 4 divisors (see below), whose sum is σ = 449919101016. Its totient is φ = 399928089760.

The previous prime is 424923595357. The next prime is 424923595403. The reversal of 424923595387 is 783595329424.

It is a happy number.

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-424923595387 is a prime.

It is a super-2 number, since 2×424923595387² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424923595357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12497752789 + ... + 12497752822.

It is an arithmetic number, because the mean of its divisors is an integer number (112479775254).

Almost surely, 2^424923595387 is an apocalyptic number.

424923595387 is a deficient number, since it is larger than the sum of its proper divisors (24995505629).

424923595387 is a wasteful number, since it uses less digits than its factorization.

424923595387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24995505628.

The product of its digits is 65318400, while the sum is 61.

The spelling of 424923595387 in words is "four hundred twenty-four billion, nine hundred twenty-three million, five hundred ninety-five thousand, three hundred eighty-seven".