63495455459436 has 576 divisors, whose sum is σ = 217857352108032. Its totient is φ = 15057446400000.

The previous prime is 63495455459363. The next prime is 63495455459479.

63495455459436 is a `hidden beast` number, since 6 + 3 + 4 + 9 + 5 + 45 + 545 + 9 + 4 + 36 = 666.

63495455459436 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3752456256 + ... + 3752473176.

It is an arithmetic number, because the mean of its divisors is an integer number (378224569632).

Almost surely, 2^{63495455459436} is an apocalyptic number.

63495455459436 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63495455459436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108928676054016).

63495455459436 is an abundant number, since it is smaller than the sum of its proper divisors (154361896648596).

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

63495455459436 is a wasteful number, since it uses less digits than its factorization.

63495455459436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18094 (or 18089 counting only the distinct ones).

The product of its digits is 4199040000, while the sum is 72.

The spelling of 63495455459436 in words is "sixty-three trillion, four hundred ninety-five billion, four hundred fifty-five million, four hundred fifty-nine thousand, four hundred thirty-six".