2180256193 has 2 divisors, whose sum is σ = 2180256194. Its totient is φ = 2180256192.

The previous prime is 2180256167. The next prime is 2180256217. The reversal of 2180256193 is 3916520812.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1428235264 + 752020929 = 37792^2 + 27423^2 .

It is a cyclic number.

It is not a de Polignac number, because 2180256193 - 2²⁵ = 2146701761 is a prime.

It is a super-2 number, since 2×2180256193² = 9507034134229706498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2180251193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1090128096 + 1090128097.

It is an arithmetic number, because the mean of its divisors is an integer number (1090128097).

Almost surely, 2^2180256193 is an apocalyptic number.

It is an amenable number.

2180256193 is a deficient number, since it is larger than the sum of its proper divisors (1).

2180256193 is an equidigital number, since it uses as much as digits as its factorization.

2180256193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 2180256193 is about 46693.2135647141. The cubic root of 2180256193 is about 1296.6890485083.

The spelling of 2180256193 in words is "two billion, one hundred eighty million, two hundred fifty-six thousand, one hundred ninety-three".