2081450463 has 4 divisors (see below), whose sum is σ = 2775267288. Its totient is φ = 1387633640.

The previous prime is 2081450443. The next prime is 2081450467. The reversal of 2081450463 is 3640541802.

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

It is a cyclic number.

It is not a de Polignac number, because 2081450463 - 2⁵ = 2081450431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081450467) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 346908408 + ... + 346908413.

It is an arithmetic number, because the mean of its divisors is an integer number (693816822).

Almost surely, 2^2081450463 is an apocalyptic number.

2081450463 is a deficient number, since it is larger than the sum of its proper divisors (693816825).

2081450463 is an equidigital number, since it uses as much as digits as its factorization.

2081450463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693816824.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 2081450463 is about 45622.9159852809. The cubic root of 2081450463 is about 1276.7975083386.

The spelling of 2081450463 in words is "two billion, eighty-one million, four hundred fifty thousand, four hundred sixty-three".