63306391225 has 24 divisors (see below), whose sum is σ = 97870039488. Its totient is φ = 39463723200.

The previous prime is 63306391201. The next prime is 63306391249. The reversal of 63306391225 is 52219360336.

It is an interprime number because it is at equal distance from previous prime (63306391201) and next prime (63306391249).

It is not a de Polignac number, because 63306391225 - 2⁹ = 63306390713 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16441294 + ... + 16445143.

It is an arithmetic number, because the mean of its divisors is an integer number (4077918312).

Almost surely, 2^63306391225 is an apocalyptic number.

It is an amenable number.

63306391225 is a deficient number, since it is larger than the sum of its proper divisors (34563648263).

63306391225 is a wasteful number, since it uses less digits than its factorization.

63306391225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32886465 (or 32886460 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 40.

The spelling of 63306391225 in words is "sixty-three billion, three hundred six million, three hundred ninety-one thousand, two hundred twenty-five".