39541121634 has 32 divisors (see below), whose sum is σ = 92224195200. Its totient is φ = 11297462736.

The previous prime is 39541121629. The next prime is 39541121671. The reversal of 39541121634 is 43612114593.

It is a junction number, because it is equal to n+sod(n) for n = 39541121592 and 39541121601.

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, 9604629 + ... + 9608744.

It is an arithmetic number, because the mean of its divisors is an integer number (2882006100).

Almost surely, 2^39541121634 is an apocalyptic number.

39541121634 is an abundant number, since it is smaller than the sum of its proper divisors (52683073566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39541121634 is a wasteful number, since it uses less digits than its factorization.

39541121634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19213399 (or 19213385 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The spelling of 39541121634 in words is "thirty-nine billion, five hundred forty-one million, one hundred twenty-one thousand, six hundred thirty-four".