63398654325 has 72 divisors (see below), whose sum is σ = 115870376232. Its totient is φ = 33124815360.

The previous prime is 63398654309. The next prime is 63398654369. The reversal of 63398654325 is 52345689336.

63398654325 is a `hidden beast` number, since 6 + 3 + 3 + 98 + 6 + 543 + 2 + 5 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 20088324 + 63378566001 = 4482^2 + 251751^2 .

It is not a de Polignac number, because 63398654325 - 2⁴ = 63398654309 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8737399 + ... + 8744651.

It is an arithmetic number, because the mean of its divisors is an integer number (1609310781).

Almost surely, 2^63398654325 is an apocalyptic number.

It is an amenable number.

63398654325 is a deficient number, since it is larger than the sum of its proper divisors (52471721907).

63398654325 is a wasteful number, since it uses less digits than its factorization.

63398654325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8055 (or 8047 counting only the distinct ones).

The product of its digits is 13996800, while the sum is 54.

The spelling of 63398654325 in words is "sixty-three billion, three hundred ninety-eight million, six hundred fifty-four thousand, three hundred twenty-five".