1854136014446 has 4 divisors (see below), whose sum is σ = 2781204021672. Its totient is φ = 927068007222.

The previous prime is 1854136014439. The next prime is 1854136014491. The reversal of 1854136014446 is 6444106314581.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1854136014446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 463534003610 + ... + 463534003613.

It is an arithmetic number, because the mean of its divisors is an integer number (695301005418).

Almost surely, 2^{1854136014446} is an apocalyptic number.

1854136014446 is a deficient number, since it is larger than the sum of its proper divisors (927068007226).

1854136014446 is an equidigital number, since it uses as much as digits as its factorization.

1854136014446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927068007225.

The product of its (nonzero) digits is 1105920, while the sum is 47.

The spelling of 1854136014446 in words is "one trillion, eight hundred fifty-four billion, one hundred thirty-six million, fourteen thousand, four hundred forty-six".