39045556318 has 4 divisors (see below), whose sum is σ = 58568334480. Its totient is φ = 19522778158.

The previous prime is 39045556283. The next prime is 39045556321. The reversal of 39045556318 is 81365554093.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9761389078 + ... + 9761389081.

It is an arithmetic number, because the mean of its divisors is an integer number (14642083620).

Almost surely, 2^39045556318 is an apocalyptic number.

39045556318 is a deficient number, since it is larger than the sum of its proper divisors (19522778162).

39045556318 is a wasteful number, since it uses less digits than its factorization.

39045556318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19522778161.

The product of its (nonzero) digits is 1944000, while the sum is 49.

The spelling of 39045556318 in words is "thirty-nine billion, forty-five million, five hundred fifty-six thousand, three hundred eighteen".