1801074454 has 4 divisors (see below), whose sum is σ = 2701611684. Its totient is φ = 900537226.

The previous prime is 1801074449. The next prime is 1801074481. The reversal of 1801074454 is 4544701081.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4544701081 = 53 ⋅85749077.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450268612 + ... + 450268615.

It is an arithmetic number, because the mean of its divisors is an integer number (675402921).

Almost surely, 2^1801074454 is an apocalyptic number.

1801074454 is a deficient number, since it is larger than the sum of its proper divisors (900537230).

1801074454 is an equidigital number, since it uses as much as digits as its factorization.

1801074454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900537229.

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 1801074454 is about 42439.0675439506. The cubic root of 1801074454 is about 1216.6823897220.

The spelling of 1801074454 in words is "one billion, eight hundred one million, seventy-four thousand, four hundred fifty-four".