2091441424990 has 16 divisors (see below), whose sum is σ = 3768045175440. Its totient is φ = 835809767680.

The previous prime is 2091441424979. The next prime is 2091441425053. The reversal of 2091441424990 is 994241441902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95838835 + ... + 95860654.

It is an arithmetic number, because the mean of its divisors is an integer number (235502823465).

Almost surely, 2^{2091441424990} is an apocalyptic number.

2091441424990 is a deficient number, since it is larger than the sum of its proper divisors (1676603750450).

2091441424990 is a wasteful number, since it uses less digits than its factorization.

2091441424990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191700587.

The product of its (nonzero) digits is 746496, while the sum is 49.

The spelling of 2091441424990 in words is "two trillion, ninety-one billion, four hundred forty-one million, four hundred twenty-four thousand, nine hundred ninety".