2097992240085 has 144 divisors (see below), whose sum is σ = 4247248478400. Its totient is φ = 879288721920.

The previous prime is 2097992240041. The next prime is 2097992240093. The reversal of 2097992240085 is 5800422997902.

It is a happy number.

It is not a de Polignac number, because 2097992240085 - 2⁶ = 2097992240021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 13342201 + ... + 13498529.

It is an arithmetic number, because the mean of its divisors is an integer number (29494781100).

Almost surely, 2^{2097992240085} is an apocalyptic number.

It is an amenable number.

2097992240085 is an abundant number, since it is smaller than the sum of its proper divisors (2149256238315).

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

2097992240085 is a wasteful number, since it uses less digits than its factorization.

2097992240085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156432 (or 156394 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 2097992240085 in words is "two trillion, ninety-seven billion, nine hundred ninety-two million, two hundred forty thousand, eighty-five".