1941805453 has 12 divisors (see below), whose sum is σ = 2336618080. Its totient is φ = 1576391760.

The previous prime is 1941805379. The next prime is 1941805487. The reversal of 1941805453 is 3545081491.

It is not a de Polignac number, because 1941805453 - 2⁹ = 1941804941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1941809453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 506283 + ... + 510103.

Almost surely, 2^1941805453 is an apocalyptic number.

It is an amenable number.

1941805453 is a deficient number, since it is larger than the sum of its proper divisors (394812627).

1941805453 is an frugal number, since it uses more digits than its factorization.

1941805453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7668 (or 3847 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 1941805453 is about 44065.9216742371. The cubic root of 1941805453 is about 1247.5804830786.

The spelling of 1941805453 in words is "one billion, nine hundred forty-one million, eight hundred five thousand, four hundred fifty-three".