530863636642 has 4 divisors (see below), whose sum is σ = 796295454966. Its totient is φ = 265431818320.

The previous prime is 530863636627. The next prime is 530863636649. The reversal of 530863636642 is 246636368035.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 496152593161 + 34711043481 = 704381^2 + 186309^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 530863636642.

It is not an unprimeable number, because it can be changed into a prime (530863636649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132715909159 + ... + 132715909162.

Almost surely, 2^530863636642 is an apocalyptic number.

530863636642 is a deficient number, since it is larger than the sum of its proper divisors (265431818324).

530863636642 is a wasteful number, since it uses less digits than its factorization.

530863636642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265431818323.

The product of its (nonzero) digits is 11197440, while the sum is 52.

The spelling of 530863636642 in words is "five hundred thirty billion, eight hundred sixty-three million, six hundred thirty-six thousand, six hundred forty-two".