824936639428 has 12 divisors (see below), whose sum is σ = 1574879038992. Its totient is φ = 374971199720.

The previous prime is 824936639419. The next prime is 824936639467.

824936639428 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 824936639428.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9374279950 + ... + 9374280037.

It is an arithmetic number, because the mean of its divisors is an integer number (131239919916).

Almost surely, 2^824936639428 is an apocalyptic number.

It is an amenable number.

824936639428 is a deficient number, since it is larger than the sum of its proper divisors (749942399564).

824936639428 is a wasteful number, since it uses less digits than its factorization.

824936639428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18748560002 (or 18748560000 counting only the distinct ones).

The product of its digits is 107495424, while the sum is 64.

The spelling of 824936639428 in words is "eight hundred twenty-four billion, nine hundred thirty-six million, six hundred thirty-nine thousand, four hundred twenty-eight".