63726742149 has 16 divisors (see below), whose sum is σ = 97183145472. Its totient is φ = 36386882928.

The previous prime is 63726742141. The next prime is 63726742187. The reversal of 63726742149 is 94124762736.

It is a happy number.

It is not a de Polignac number, because 63726742149 - 2³ = 63726742141 is a prime.

It is a super-2 number, since 2×63726742149² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1155679 + ... + 1209564.

It is an arithmetic number, because the mean of its divisors is an integer number (6073946592).

Almost surely, 2^63726742149 is an apocalyptic number.

It is an amenable number.

63726742149 is a deficient number, since it is larger than the sum of its proper divisors (33456403323).

63726742149 is a wasteful number, since it uses less digits than its factorization.

63726742149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2366536.

The product of its digits is 3048192, while the sum is 51.

The spelling of 63726742149 in words is "sixty-three billion, seven hundred twenty-six million, seven hundred forty-two thousand, one hundred forty-nine".