63458373225 has 48 divisors (see below), whose sum is σ = 114107321664. Its totient is φ = 30931680000.

The previous prime is 63458373197. The next prime is 63458373229. The reversal of 63458373225 is 52237385436.

It is not a de Polignac number, because 63458373225 - 2⁶ = 63458373161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63458373229) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 223731 + ... + 420680.

It is an arithmetic number, because the mean of its divisors is an integer number (2377235868).

Almost surely, 2^63458373225 is an apocalyptic number.

63458373225 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

63458373225 is a deficient number, since it is larger than the sum of its proper divisors (50648948439).

63458373225 is a wasteful number, since it uses less digits than its factorization.

63458373225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644538 (or 644533 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 48.

The spelling of 63458373225 in words is "sixty-three billion, four hundred fifty-eight million, three hundred seventy-three thousand, two hundred twenty-five".