63366742138 has 32 divisors (see below), whose sum is σ = 111769257600. Its totient is φ = 26379017280.

The previous prime is 63366742121. The next prime is 63366742139. The reversal of 63366742138 is 83124766336.

63366742138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×63366742138² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63366742091 and 63366742100.

It is not an unprimeable number, because it can be changed into a prime (63366742139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181813 + ... + 399736.

It is an arithmetic number, because the mean of its divisors is an integer number (3492789300).

Almost surely, 2^63366742138 is an apocalyptic number.

63366742138 is a deficient number, since it is larger than the sum of its proper divisors (48402515462).

63366742138 is a wasteful number, since it uses less digits than its factorization.

63366742138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581782.

The product of its digits is 2612736, while the sum is 49.

The spelling of 63366742138 in words is "sixty-three billion, three hundred sixty-six million, seven hundred forty-two thousand, one hundred thirty-eight".