275849893849 has 4 divisors (see below), whose sum is σ = 275851656064. Its totient is φ = 275848131636.

The previous prime is 275849893841. The next prime is 275849893853. The reversal of 275849893849 is 948398948572.

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 275849893849 - 2³ = 275849893841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (275849893841) 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, 620637 + ... + 967930.

It is an arithmetic number, because the mean of its divisors is an integer number (68962914016).

Almost surely, 2^275849893849 is an apocalyptic number.

It is an amenable number.

275849893849 is a deficient number, since it is larger than the sum of its proper divisors (1762215).

275849893849 is a wasteful number, since it uses less digits than its factorization.

275849893849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762214.

The product of its digits is 1254113280, while the sum is 76.

The spelling of 275849893849 in words is "two hundred seventy-five billion, eight hundred forty-nine million, eight hundred ninety-three thousand, eight hundred forty-nine".