63734711712554 has 4 divisors (see below), whose sum is σ = 95602067568834. Its totient is φ = 31867355856276.

The previous prime is 63734711712461. The next prime is 63734711712557. The reversal of 63734711712554 is 45521711743736.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 53823894771529 + 9910816941025 = 7336477^2 + 3148145^2 .

It is a super-2 number, since 2×63734711712554² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 63734711712554.

It is not an unprimeable number, because it can be changed into a prime (63734711712557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15933677928137 + ... + 15933677928140.

Almost surely, 2^{63734711712554} is an apocalyptic number.

63734711712554 is a deficient number, since it is larger than the sum of its proper divisors (31867355856280).

63734711712554 is a wasteful number, since it uses less digits than its factorization.

63734711712554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31867355856279.

The product of its digits is 14817600, while the sum is 56.

The spelling of 63734711712554 in words is "sixty-three trillion, seven hundred thirty-four billion, seven hundred eleven million, seven hundred twelve thousand, five hundred fifty-four".