274344860746821 has 4 divisors (see below), whose sum is σ = 365793147662432. Its totient is φ = 182896573831212.

The previous prime is 274344860746793. The next prime is 274344860746841. The reversal of 274344860746821 is 128647068443472.

274344860746821 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 not a de Polignac number, because 274344860746821 - 2⁶ = 274344860746757 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 (274344860746841) 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, 45724143457801 + ... + 45724143457806.

It is an arithmetic number, because the mean of its divisors is an integer number (91448286915608).

Almost surely, 2^{274344860746821} is an apocalyptic number.

It is an amenable number.

274344860746821 is a deficient number, since it is larger than the sum of its proper divisors (91448286915611).

274344860746821 is an equidigital number, since it uses as much as digits as its factorization.

274344860746821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91448286915610.

The product of its (nonzero) digits is 346816512, while the sum is 66.

The spelling of 274344860746821 in words is "two hundred seventy-four trillion, three hundred forty-four billion, eight hundred sixty million, seven hundred forty-six thousand, eight hundred twenty-one".