63450953460 has 36 divisors (see below), whose sum is σ = 192467892708. Its totient is φ = 16920254208.

The previous prime is 63450953437. The next prime is 63450953491. The reversal of 63450953460 is 6435905436.

63450953460 is a `hidden beast` number, since 6 + 3 + 4 + 50 + 9 + 534 + 60 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 20914365924 + 42536587536 = 144618^2 + 206244^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176252469 + ... + 176252828.

It is an arithmetic number, because the mean of its divisors is an integer number (5346330353).

Almost surely, 2^63450953460 is an apocalyptic number.

63450953460 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63450953460 is an abundant number, since it is smaller than the sum of its proper divisors (129016939248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63450953460 is a wasteful number, since it uses less digits than its factorization.

63450953460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352505312 (or 352505307 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 45.

The spelling of 63450953460 in words is "sixty-three billion, four hundred fifty million, nine hundred fifty-three thousand, four hundred sixty".