63605891675 has 12 divisors (see below), whose sum is σ = 78912854016. Its totient is φ = 50857908000.

The previous prime is 63605891641. The next prime is 63605891681. The reversal of 63605891675 is 57619850636.

It is a happy number.

It is not a de Polignac number, because 63605891675 - 2⁶ = 63605891611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63605891675.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 621659 + ... + 716708.

It is an arithmetic number, because the mean of its divisors is an integer number (6576071168).

Almost surely, 2^63605891675 is an apocalyptic number.

63605891675 is a deficient number, since it is larger than the sum of its proper divisors (15306962341).

63605891675 is a wasteful number, since it uses less digits than its factorization.

63605891675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340278 (or 1340273 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 56.

The spelling of 63605891675 in words is "sixty-three billion, six hundred five million, eight hundred ninety-one thousand, six hundred seventy-five".