39040604093 has 4 divisors (see below), whose sum is σ = 39181545180. Its totient is φ = 38899663008.

The previous prime is 39040604077. The next prime is 39040604107.

39040604093 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8866482244 + 30174121849 = 94162^2 + 173707^2 .

It is a cyclic number.

It is not a de Polignac number, because 39040604093 - 2⁴ = 39040604077 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 (39040603093) 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 3 ways as a sum of consecutive naturals, for example, 70470128 + ... + 70470681.

It is an arithmetic number, because the mean of its divisors is an integer number (9795386295).

Almost surely, 2^39040604093 is an apocalyptic number.

It is an amenable number.

39040604093 is a deficient number, since it is larger than the sum of its proper divisors (140941087).

39040604093 is a wasteful number, since it uses less digits than its factorization.

39040604093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140941086.

The product of its (nonzero) digits is 69984, while the sum is 38.

The spelling of 39040604093 in words is "thirty-nine billion, forty million, six hundred four thousand, ninety-three".