3768503947563 has 18 divisors (see below), whose sum is σ = 5036647981716. Its totient is φ = 2506362159672.

The previous prime is 3768503947561. The next prime is 3768503947603. The reversal of 3768503947563 is 3657493058673.

It is not a de Polignac number, because 3768503947563 - 2¹ = 3768503947561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3768503947494 and 3768503947503.

It is not an unprimeable number, because it can be changed into a prime (3768503947561) 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 17 ways as a sum of consecutive naturals, for example, 1758516870 + ... + 1758519012.

It is an arithmetic number, because the mean of its divisors is an integer number (279813776762).

Almost surely, 2^{3768503947563} is an apocalyptic number.

3768503947563 is a deficient number, since it is larger than the sum of its proper divisors (1268144034153).

3768503947563 is an frugal number, since it uses more digits than its factorization.

3768503947563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5335 (or 2669 counting only the distinct ones).

The product of its (nonzero) digits is 342921600, while the sum is 66.

The spelling of 3768503947563 in words is "three trillion, seven hundred sixty-eight billion, five hundred three million, nine hundred forty-seven thousand, five hundred sixty-three".