63455646224457 has 6 divisors (see below), whose sum is σ = 91658155657562. Its totient is φ = 42303764149632.

The previous prime is 63455646224417. The next prime is 63455646224479. The reversal of 63455646224457 is 75442264655436.

It is a happy number.

63455646224457 is a `hidden beast` number, since 6 + 3 + 4 + 5 + 564 + 6 + 2 + 24 + 45 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 58967332802361 + 4488313422096 = 7679019^2 + 2118564^2 .

It is not a de Polignac number, because 63455646224457 - 2¹² = 63455646220361 is a prime.

It is a super-3 number, since 3×63455646224457³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63455646224394 and 63455646224403.

It is not an unprimeable number, because it can be changed into a prime (63455646224417) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3525313679128 + ... + 3525313679145.

Almost surely, 2^{63455646224457} is an apocalyptic number.

It is an amenable number.

63455646224457 is a deficient number, since it is larger than the sum of its proper divisors (28202509433105).

63455646224457 is a wasteful number, since it uses less digits than its factorization.

63455646224457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7050627358279 (or 7050627358276 counting only the distinct ones).

The product of its digits is 580608000, while the sum is 63.

The spelling of 63455646224457 in words is "sixty-three trillion, four hundred fifty-five billion, six hundred forty-six million, two hundred twenty-four thousand, four hundred fifty-seven".