39399848347 has 4 divisors (see below), whose sum is σ = 39441898216. Its totient is φ = 39357798480.

The previous prime is 39399848321. The next prime is 39399848353. The reversal of 39399848347 is 74384899393.

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

It is a cyclic number.

It is not a de Polignac number, because 39399848347 - 2²⁷ = 39265630619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39399848377) 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, 21023529 + ... + 21025402.

It is an arithmetic number, because the mean of its divisors is an integer number (9860474554).

Almost surely, 2^39399848347 is an apocalyptic number.

39399848347 is a deficient number, since it is larger than the sum of its proper divisors (42049869).

39399848347 is an equidigital number, since it uses as much as digits as its factorization.

39399848347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42049868.

The product of its digits is 141087744, while the sum is 67.

The spelling of 39399848347 in words is "thirty-nine billion, three hundred ninety-nine million, eight hundred forty-eight thousand, three hundred forty-seven".