39635945041 has 16 divisors (see below), whose sum is σ = 49719426048. Its totient is φ = 30695662800.

The previous prime is 39635945021. The next prime is 39635945053. The reversal of 39635945041 is 14054953693.

It is a de Polignac number, because none of the positive numbers 2^k-39635945041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39635945021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1566445 + ... + 1591546.

It is an arithmetic number, because the mean of its divisors is an integer number (3107464128).

Almost surely, 2^39635945041 is an apocalyptic number.

It is an amenable number.

39635945041 is a deficient number, since it is larger than the sum of its proper divisors (10083481007).

39635945041 is a wasteful number, since it uses less digits than its factorization.

39635945041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3158172.

The product of its (nonzero) digits is 1749600, while the sum is 49.

The spelling of 39635945041 in words is "thirty-nine billion, six hundred thirty-five million, nine hundred forty-five thousand, forty-one".