63726742147 has 4 divisors (see below), whose sum is σ = 67475374056. Its totient is φ = 59978110240.

The previous prime is 63726742141. The next prime is 63726742187. The reversal of 63726742147 is 74124762736.

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

It is a cyclic number.

It is not a de Polignac number, because 63726742147 - 2⁷ = 63726742019 is a prime.

It is a super-2 number, since 2×63726742147² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63726742147.

It is not an unprimeable number, because it can be changed into a prime (63726742141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1874315929 + ... + 1874315962.

It is an arithmetic number, because the mean of its divisors is an integer number (16868843514).

Almost surely, 2^63726742147 is an apocalyptic number.

63726742147 is a deficient number, since it is larger than the sum of its proper divisors (3748631909).

63726742147 is a wasteful number, since it uses less digits than its factorization.

63726742147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3748631908.

The product of its digits is 2370816, while the sum is 49.

The spelling of 63726742147 in words is "sixty-three billion, seven hundred twenty-six million, seven hundred forty-two thousand, one hundred forty-seven".