3845319284737 has 4 divisors (see below), whose sum is σ = 4394650611136. Its totient is φ = 3295987958340.

The previous prime is 3845319284699. The next prime is 3845319284761. The reversal of 3845319284737 is 7374829135483.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-3845319284737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3845319204737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274665663189 + ... + 274665663202.

It is an arithmetic number, because the mean of its divisors is an integer number (1098662652784).

Almost surely, 2^{3845319284737} is an apocalyptic number.

It is an amenable number.

3845319284737 is a deficient number, since it is larger than the sum of its proper divisors (549331326399).

3845319284737 is an equidigital number, since it uses as much as digits as its factorization.

3845319284737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549331326398.

The product of its digits is 121927680, while the sum is 64.

The spelling of 3845319284737 in words is "three trillion, eight hundred forty-five billion, three hundred nineteen million, two hundred eighty-four thousand, seven hundred thirty-seven".