63727242145 has 16 divisors (see below), whose sum is σ = 87745569408. Its totient is φ = 43524576000.

The previous prime is 63727242109. The next prime is 63727242193. The reversal of 63727242145 is 54124272736.

63727242145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63727242145 - 2⁷ = 63727242017 is a prime.

It is a super-2 number, since 2×63727242145² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3618264 + ... + 3635833.

It is an arithmetic number, because the mean of its divisors is an integer number (5484098088).

Almost surely, 2^63727242145 is an apocalyptic number.

It is an amenable number.

63727242145 is a deficient number, since it is larger than the sum of its proper divisors (24018327263).

63727242145 is a wasteful number, since it uses less digits than its factorization.

63727242145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7254360.

The product of its digits is 564480, while the sum is 43.

The spelling of 63727242145 in words is "sixty-three billion, seven hundred twenty-seven million, two hundred forty-two thousand, one hundred forty-five".