1854052121074 has 16 divisors (see below), whose sum is σ = 2800034127000. Its totient is φ = 920708705664.

The previous prime is 1854052121071. The next prime is 1854052121123. The reversal of 1854052121074 is 4701212504581.

It can be written as a sum of positive squares in 4 ways, for example, as 1332396947025 + 521655174049 = 1154295^2 + 722257^2 .

It is not an unprimeable number, because it can be changed into a prime (1854052121071) 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, 2592724 + ... + 3229600.

Almost surely, 2^{1854052121074} is an apocalyptic number.

1854052121074 is a deficient number, since it is larger than the sum of its proper divisors (945982005926).

1854052121074 is a wasteful number, since it uses less digits than its factorization.

1854052121074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646797.

The product of its (nonzero) digits is 89600, while the sum is 40.

The spelling of 1854052121074 in words is "one trillion, eight hundred fifty-four billion, fifty-two million, one hundred twenty-one thousand, seventy-four".