274256521854 has 16 divisors (see below), whose sum is σ = 626872050048. Its totient is φ = 78359006232.

The previous prime is 274256521853. The next prime is 274256521883. The reversal of 274256521854 is 458125652472.

It is a junction number, because it is equal to n+sod(n) for n = 274256521797 and 274256521806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274256521853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3264958552 + ... + 3264958635.

It is an arithmetic number, because the mean of its divisors is an integer number (39179503128).

Almost surely, 2^274256521854 is an apocalyptic number.

274256521854 is an abundant number, since it is smaller than the sum of its proper divisors (352615528194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

274256521854 is a wasteful number, since it uses less digits than its factorization.

274256521854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6529917199.

The product of its digits is 5376000, while the sum is 51.

The spelling of 274256521854 in words is "two hundred seventy-four billion, two hundred fifty-six million, five hundred twenty-one thousand, eight hundred fifty-four".