39441385649693 has 8 divisors (see below), whose sum is σ = 39457670214240. Its totient is φ = 39425104356880.

The previous prime is 39441385649639. The next prime is 39441385649717. The reversal of 39441385649693 is 39694658314493.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 39441385649693 - 2¹⁶ = 39441385584157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39441385649693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39441385649623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23445746 + ... + 25071612.

It is an arithmetic number, because the mean of its divisors is an integer number (4932208776780).

Almost surely, 2^{39441385649693} is an apocalyptic number.

It is an amenable number.

39441385649693 is a deficient number, since it is larger than the sum of its proper divisors (16284564547).

39441385649693 is a wasteful number, since it uses less digits than its factorization.

39441385649693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635867.

The product of its digits is 1813985280, while the sum is 74.

The spelling of 39441385649693 in words is "thirty-nine trillion, four hundred forty-one billion, three hundred eighty-five million, six hundred forty-nine thousand, six hundred ninety-three".