39600840047 has 4 divisors (see below), whose sum is σ = 39604303776. Its totient is φ = 39597376320.

The previous prime is 39600840023. The next prime is 39600840127. The reversal of 39600840047 is 74004800693.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74004800693 = 347 ⋅213270319.

It is a cyclic number.

It is not a de Polignac number, because 39600840047 - 2⁶ = 39600839983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39600839986 and 39600840013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39600840347) 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, 1714658 + ... + 1737599.

It is an arithmetic number, because the mean of its divisors is an integer number (9901075944).

Almost surely, 2^39600840047 is an apocalyptic number.

39600840047 is a deficient number, since it is larger than the sum of its proper divisors (3463729).

39600840047 is a wasteful number, since it uses less digits than its factorization.

39600840047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3463728.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 39600840047 in words is "thirty-nine billion, six hundred million, eight hundred forty thousand, forty-seven".