2183849208157 has 4 divisors (see below), whose sum is σ = 2188823808160. Its totient is φ = 2178874608156.

The previous prime is 2183849208139. The next prime is 2183849208251. The reversal of 2183849208157 is 7518029483812.

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 a de Polignac number, because none of the positive numbers 2^k-2183849208157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2183849208137) 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, 2487299343 + ... + 2487300220.

It is an arithmetic number, because the mean of its divisors is an integer number (547205952040).

Almost surely, 2^{2183849208157} is an apocalyptic number.

It is an amenable number.

2183849208157 is a deficient number, since it is larger than the sum of its proper divisors (4974600003).

2183849208157 is an equidigital number, since it uses as much as digits as its factorization.

2183849208157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4974600002.

The product of its (nonzero) digits is 7741440, while the sum is 58.

The spelling of 2183849208157 in words is "two trillion, one hundred eighty-three billion, eight hundred forty-nine million, two hundred eight thousand, one hundred fifty-seven".