2091462521443 has 4 divisors (see below), whose sum is σ = 2122678380040. Its totient is φ = 2060246662848.

The previous prime is 2091462521411. The next prime is 2091462521503. The reversal of 2091462521443 is 3441252641902.

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 2091462521443 - 2⁵ = 2091462521411 is a prime.

It is a super-2 number, since 2×2091462521443² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2091462521443.

It is not an unprimeable number, because it can be changed into a prime (2091462551443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15607929198 + ... + 15607929331.

It is an arithmetic number, because the mean of its divisors is an integer number (530669595010).

Almost surely, 2^{2091462521443} is an apocalyptic number.

2091462521443 is a deficient number, since it is larger than the sum of its proper divisors (31215858597).

2091462521443 is an equidigital number, since it uses as much as digits as its factorization.

2091462521443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31215858596.

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 2091462521443 in words is "two trillion, ninety-one billion, four hundred sixty-two million, five hundred twenty-one thousand, four hundred forty-three".