2091441424989 has 48 divisors (see below), whose sum is σ = 3349787965440. Its totient is φ = 1156115812320.

The previous prime is 2091441424979. The next prime is 2091441425053. The reversal of 2091441424989 is 9894241441902.

It is not a de Polignac number, because 2091441424989 - 2⁴ = 2091441424973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2091441424979) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12030762 + ... + 12203364.

It is an arithmetic number, because the mean of its divisors is an integer number (69787249280).

Almost surely, 2^{2091441424989} is an apocalyptic number.

It is an amenable number.

2091441424989 is a deficient number, since it is larger than the sum of its proper divisors (1258346540451).

2091441424989 is a wasteful number, since it uses less digits than its factorization.

2091441424989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175310 (or 175303 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 57.

The spelling of 2091441424989 in words is "two trillion, ninety-one billion, four hundred forty-one million, four hundred twenty-four thousand, nine hundred eighty-nine".