39707917133 has 4 divisors (see below), whose sum is σ = 39722686620. Its totient is φ = 39693147648.

The previous prime is 39707917129. The next prime is 39707917141. The reversal of 39707917133 is 33171970793.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33171970793 = 13 ⋅2551690061.

It can be written as a sum of positive squares in 2 ways, for example, as 9455228644 + 30252688489 = 97238^2 + 173933^2 .

It is a cyclic number.

It is not a de Polignac number, because 39707917133 - 2² = 39707917129 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39707917633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7380710 + ... + 7386087.

It is an arithmetic number, because the mean of its divisors is an integer number (9930671655).

Almost surely, 2^39707917133 is an apocalyptic number.

It is an amenable number.

39707917133 is a deficient number, since it is larger than the sum of its proper divisors (14769487).

39707917133 is a wasteful number, since it uses less digits than its factorization.

39707917133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14769486.

The product of its (nonzero) digits is 750141, while the sum is 50.

The spelling of 39707917133 in words is "thirty-nine billion, seven hundred seven million, nine hundred seventeen thousand, one hundred thirty-three".