39105417122 has 6 divisors (see below), whose sum is σ = 58658545179. Its totient is φ = 19552568730.

The previous prime is 39105417119. The next prime is 39105417151. The reversal of 39105417122 is 22171450193.

It can be written as a sum of positive squares in only one way, i.e., 19552708561 + 19552708561 = 139831^2 + 139831^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=139831.

It is a super-2 number, since 2×39105417122² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 209747 + ... + 349577.

Almost surely, 2^39105417122 is an apocalyptic number.

39105417122 is a deficient number, since it is larger than the sum of its proper divisors (19553128057).

39105417122 is an frugal number, since it uses more digits than its factorization.

39105417122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279664 (or 139833 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The spelling of 39105417122 in words is "thirty-nine billion, one hundred five million, four hundred seventeen thousand, one hundred twenty-two".