1005000520463 has 4 divisors (see below), whose sum is σ = 1023962794488. Its totient is φ = 986038246440.

The previous prime is 1005000520457. The next prime is 1005000520471. The reversal of 1005000520463 is 3640250005001.

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

It is a cyclic number.

It is not a de Polignac number, because 1005000520463 - 2⁸ = 1005000520207 is a prime.

It is a super-2 number, since 2×1005000520463² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005000520483) 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, 9481136933 + ... + 9481137038.

It is an arithmetic number, because the mean of its divisors is an integer number (255990698622).

Almost surely, 2^{1005000520463} is an apocalyptic number.

1005000520463 is a deficient number, since it is larger than the sum of its proper divisors (18962274025).

1005000520463 is an equidigital number, since it uses as much as digits as its factorization.

1005000520463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18962274024.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 1005000520463 its reverse (3640250005001), we get a palindrome (4645250525464).

The spelling of 1005000520463 in words is "one trillion, five billion, five hundred twenty thousand, four hundred sixty-three".