63154364481 has 24 divisors (see below), whose sum is σ = 98251462400. Its totient is φ = 38859738336.

The previous prime is 63154364447. The next prime is 63154364491. The reversal of 63154364481 is 18446345136.

63154364481 is a `hidden beast` number, since 6 + 3 + 1 + 543 + 64 + 48 + 1 = 666.

It is not a de Polignac number, because 63154364481 - 2⁶ = 63154364417 is a prime.

It is a super-2 number, since 2×63154364481² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63154364401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1190730 + ... + 1242636.

Almost surely, 2^63154364481 is an apocalyptic number.

It is an amenable number.

63154364481 is a deficient number, since it is larger than the sum of its proper divisors (35097097919).

63154364481 is a wasteful number, since it uses less digits than its factorization.

63154364481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62325 (or 62322 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The spelling of 63154364481 in words is "sixty-three billion, one hundred fifty-four million, three hundred sixty-four thousand, four hundred eighty-one".