2185775494730 has 16 divisors (see below), whose sum is σ = 4018106442240. Its totient is φ = 855707853072.

The previous prime is 2185775494711. The next prime is 2185775494741. The reversal of 2185775494730 is 374945775812.

It is a super-2 number, since 2×2185775494730² (a number of 25 digits) contains 22 as substring.

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, 2325292610 + ... + 2325293549.

It is an arithmetic number, because the mean of its divisors is an integer number (251131652640).

Almost surely, 2^{2185775494730} is an apocalyptic number.

2185775494730 is a deficient number, since it is larger than the sum of its proper divisors (1832330947510).

2185775494730 is a wasteful number, since it uses less digits than its factorization.

2185775494730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4650586213.

The product of its (nonzero) digits is 59270400, while the sum is 62.

The spelling of 2185775494730 in words is "two trillion, one hundred eighty-five billion, seven hundred seventy-five million, four hundred ninety-four thousand, seven hundred thirty".