63726742141 has 2 divisors, whose sum is σ = 63726742142. Its totient is φ = 63726742140.

The previous prime is 63726742127. The next prime is 63726742187. The reversal of 63726742141 is 14124762736.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48995822500 + 14730919641 = 221350^2 + 121371^2 .

It is a cyclic number.

It is not a de Polignac number, because 63726742141 - 2²¹ = 63724644989 is a prime.

It is a super-2 number, since 2×63726742141² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63726742111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31863371070 + 31863371071.

It is an arithmetic number, because the mean of its divisors is an integer number (31863371071).

Almost surely, 2^63726742141 is an apocalyptic number.

It is an amenable number.

63726742141 is a deficient number, since it is larger than the sum of its proper divisors (1).

63726742141 is an equidigital number, since it uses as much as digits as its factorization.

63726742141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 43.

The spelling of 63726742141 in words is "sixty-three billion, seven hundred twenty-six million, seven hundred forty-two thousand, one hundred forty-one".