39434746641 has 16 divisors (see below), whose sum is σ = 52748743104. Its totient is φ = 26205342464.

The previous prime is 39434746591. The next prime is 39434746651. The reversal of 39434746641 is 14664743493.

It is a cyclic number.

It is not a de Polignac number, because 39434746641 - 2¹⁰ = 39434745617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39434746651) 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, 5135581 + ... + 5143253.

It is an arithmetic number, because the mean of its divisors is an integer number (3296796444).

Almost surely, 2^39434746641 is an apocalyptic number.

It is an amenable number.

39434746641 is a deficient number, since it is larger than the sum of its proper divisors (13313996463).

39434746641 is a wasteful number, since it uses less digits than its factorization.

39434746641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12960.

The product of its digits is 5225472, while the sum is 51.

The spelling of 39434746641 in words is "thirty-nine billion, four hundred thirty-four million, seven hundred forty-six thousand, six hundred forty-one".