663519025396 has 12 divisors (see below), whose sum is σ = 1161402319840. Its totient is φ = 331689791160.

The previous prime is 663519025369. The next prime is 663519025447. The reversal of 663519025396 is 693520915366.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17408970 + ... + 17447041.

Almost surely, 2^663519025396 is an apocalyptic number.

It is an amenable number.

663519025396 is a deficient number, since it is larger than the sum of its proper divisors (497883294444).

663519025396 is a wasteful number, since it uses less digits than its factorization.

663519025396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34860774 (or 34860772 counting only the distinct ones).

The product of its (nonzero) digits is 7873200, while the sum is 55.

The spelling of 663519025396 in words is "six hundred sixty-three billion, five hundred nineteen million, twenty-five thousand, three hundred ninety-six".