274485845641 has 4 divisors (see below), whose sum is σ = 313698109312. Its totient is φ = 235273581972.

The previous prime is 274485845593. The next prime is 274485845651. The reversal of 274485845641 is 146548584472.

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 274485845641 - 2⁹ = 274485845129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (274485845651) 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, 19606131825 + ... + 19606131838.

It is an arithmetic number, because the mean of its divisors is an integer number (78424527328).

Almost surely, 2^274485845641 is an apocalyptic number.

It is an amenable number.

274485845641 is a deficient number, since it is larger than the sum of its proper divisors (39212263671).

274485845641 is an equidigital number, since it uses as much as digits as its factorization.

274485845641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39212263670.

The product of its digits is 34406400, while the sum is 58.

The spelling of 274485845641 in words is "two hundred seventy-four billion, four hundred eighty-five million, eight hundred forty-five thousand, six hundred forty-one".