663352023425 has 48 divisors (see below), whose sum is σ = 1013883857280. Its totient is φ = 419255101440.

The previous prime is 663352023409. The next prime is 663352023427. The reversal of 663352023425 is 524320253366.

It is not a de Polignac number, because 663352023425 - 2⁴ = 663352023409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (663352023427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1314446 + ... + 1747704.

It is an arithmetic number, because the mean of its divisors is an integer number (21122580360).

Almost surely, 2^663352023425 is an apocalyptic number.

663352023425 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

663352023425 is a deficient number, since it is larger than the sum of its proper divisors (350531833855).

663352023425 is a wasteful number, since it uses less digits than its factorization.

663352023425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433962 (or 433957 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 41.

The spelling of 663352023425 in words is "six hundred sixty-three billion, three hundred fifty-two million, twenty-three thousand, four hundred twenty-five".