3844870756057 has 4 divisors (see below), whose sum is σ = 3859058471296. Its totient is φ = 3830683040820.

The previous prime is 3844870756039. The next prime is 3844870756063. The reversal of 3844870756057 is 7506570784483.

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 cyclic number.

It is not a de Polignac number, because 3844870756057 - 2²³ = 3844862367449 is a prime.

It is a super-2 number, since 2×3844870756057² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3844870756057.

It is not an unprimeable number, because it can be changed into a prime (3844870753057) 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, 7093857213 + ... + 7093857754.

It is an arithmetic number, because the mean of its divisors is an integer number (964764617824).

Almost surely, 2^{3844870756057} is an apocalyptic number.

It is an amenable number.

3844870756057 is a deficient number, since it is larger than the sum of its proper divisors (14187715239).

3844870756057 is a wasteful number, since it uses less digits than its factorization.

3844870756057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14187715238.

The product of its (nonzero) digits is 158054400, while the sum is 64.

The spelling of 3844870756057 in words is "three trillion, eight hundred forty-four billion, eight hundred seventy million, seven hundred fifty-six thousand, fifty-seven".