274378814549 has 4 divisors (see below), whose sum is σ = 313575788064. Its totient is φ = 235181841036.

The previous prime is 274378814537. The next prime is 274378814551. The reversal of 274378814549 is 945418873472.

274378814549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 274378814549 - 2²⁴ = 274362037333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 274378814491 and 274378814500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274378814449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19598486747 + ... + 19598486760.

It is an arithmetic number, because the mean of its divisors is an integer number (78393947016).

Almost surely, 2^274378814549 is an apocalyptic number.

It is an amenable number.

274378814549 is a deficient number, since it is larger than the sum of its proper divisors (39196973515).

274378814549 is an equidigital number, since it uses as much as digits as its factorization.

274378814549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39196973514.

The product of its digits is 54190080, while the sum is 62.

The spelling of 274378814549 in words is "two hundred seventy-four billion, three hundred seventy-eight million, eight hundred fourteen thousand, five hundred forty-nine".