564826404628403 has 4 divisors (see below), whose sum is σ = 564826462599960. Its totient is φ = 564826346656848.

The previous prime is 564826404628399. The next prime is 564826404628463. The reversal of 564826404628403 is 304826404628465.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 564826404628403 - 2² = 564826404628399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (564826404628463) 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, 10397573 + ... + 35181846.

It is an arithmetic number, because the mean of its divisors is an integer number (141206615649990).

Almost surely, 2^{564826404628403} is an apocalyptic number.

564826404628403 is a deficient number, since it is larger than the sum of its proper divisors (57971557).

564826404628403 is a wasteful number, since it uses less digits than its factorization.

564826404628403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57971556.

The product of its (nonzero) digits is 212336640, while the sum is 62.

Adding to 564826404628403 its sum of digits (62), we get a palindrome (564826404628465).

The spelling of 564826404628403 in words is "five hundred sixty-four trillion, eight hundred twenty-six billion, four hundred four million, six hundred twenty-eight thousand, four hundred three".