2091494986224 has 80 divisors (see below), whose sum is σ = 6176879178240. Its totient is φ = 597377491200.

The previous prime is 2091494986201. The next prime is 2091494986247. The reversal of 2091494986224 is 4226894941902.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2091494986201) and next prime (2091494986247).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 43549 + ... + 2045699.

It is an arithmetic number, because the mean of its divisors is an integer number (77210989728).

Almost surely, 2^{2091494986224} is an apocalyptic number.

2091494986224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2091494986224 is an abundant number, since it is smaller than the sum of its proper divisors (4085384192016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2091494986224 is a wasteful number, since it uses less digits than its factorization.

2091494986224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005278 (or 2005272 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 60.

The spelling of 2091494986224 in words is "two trillion, ninety-one billion, four hundred ninety-four million, nine hundred eighty-six thousand, two hundred twenty-four".