2173490750785 has 16 divisors (see below), whose sum is σ = 2773995710976. Its totient is φ = 1629172055808.

The previous prime is 2173490750737. The next prime is 2173490750831. The reversal of 2173490750785 is 5870570943712.

It is a cyclic number.

It is not a de Polignac number, because 2173490750785 - 2¹³ = 2173490742593 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57313959 + ... + 57351868.

It is an arithmetic number, because the mean of its divisors is an integer number (173374731936).

Almost surely, 2^{2173490750785} is an apocalyptic number.

It is an amenable number.

2173490750785 is a deficient number, since it is larger than the sum of its proper divisors (600504960191).

2173490750785 is a wasteful number, since it uses less digits than its factorization.

2173490750785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114666072.

The product of its (nonzero) digits is 14817600, while the sum is 58.

The spelling of 2173490750785 in words is "two trillion, one hundred seventy-three billion, four hundred ninety million, seven hundred fifty thousand, seven hundred eighty-five".