39049736243 has 16 divisors (see below), whose sum is σ = 45843916800. Its totient is φ = 32565528576.

The previous prime is 39049736239. The next prime is 39049736267. The reversal of 39049736243 is 34263794093.

It is a happy number.

It is not a de Polignac number, because 39049736243 - 2² = 39049736239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39049736191 and 39049736200.

It is not an unprimeable number, because it can be changed into a prime (39049736203) 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 15 ways as a sum of consecutive naturals, for example, 175043 + ... + 329756.

It is an arithmetic number, because the mean of its divisors is an integer number (2865244800).

Almost surely, 2^39049736243 is an apocalyptic number.

39049736243 is a deficient number, since it is larger than the sum of its proper divisors (6794180557).

39049736243 is a wasteful number, since it uses less digits than its factorization.

39049736243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505106.

The product of its (nonzero) digits is 2939328, while the sum is 50.

The spelling of 39049736243 in words is "thirty-nine billion, forty-nine million, seven hundred thirty-six thousand, two hundred forty-three".