274849732749 has 4 divisors (see below), whose sum is σ = 366466310336. Its totient is φ = 183233155164.

The previous prime is 274849732687. The next prime is 274849732769. The reversal of 274849732749 is 947237948472.

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 not a de Polignac number, because 274849732749 - 2⁹ = 274849732237 is a prime.

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 274849732749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274849732769) 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, 45808288789 + ... + 45808288794.

It is an arithmetic number, because the mean of its divisors is an integer number (91616577584).

Almost surely, 2^274849732749 is an apocalyptic number.

It is an amenable number.

274849732749 is a deficient number, since it is larger than the sum of its proper divisors (91616577587).

274849732749 is an equidigital number, since it uses as much as digits as its factorization.

274849732749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91616577586.

The product of its digits is 170698752, while the sum is 66.

The spelling of 274849732749 in words is "two hundred seventy-four billion, eight hundred forty-nine million, seven hundred thirty-two thousand, seven hundred forty-nine".