63464436225 has 48 divisors (see below), whose sum is σ = 117718556800. Its totient is φ = 33519044160.

The previous prime is 63464436223. The next prime is 63464436241. The reversal of 63464436225 is 52263446436.

63464436225 is a `hidden beast` number, since 634 + 6 + 4 + 4 + 3 + 6 + 2 + 2 + 5 = 666.

It is not a de Polignac number, because 63464436225 - 2¹ = 63464436223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (63464436223) 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, 386890 + ... + 525939.

Almost surely, 2^63464436225 is an apocalyptic number.

It is an amenable number.

63464436225 is a deficient number, since it is larger than the sum of its proper divisors (54254120575).

63464436225 is a wasteful number, since it uses less digits than its factorization.

63464436225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912951 (or 912940 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 45.

The spelling of 63464436225 in words is "sixty-three billion, four hundred sixty-four million, four hundred thirty-six thousand, two hundred twenty-five".