2194355780347 has 2 divisors, whose sum is σ = 2194355780348. Its totient is φ = 2194355780346.

The previous prime is 2194355780293. The next prime is 2194355780377. The reversal of 2194355780347 is 7430875534912.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2194355780347 - 2¹⁵ = 2194355747579 is a prime.

It is a super-2 number, since 2×2194355780347² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2194355780291 and 2194355780300.

It is not a weakly prime, because it can be changed into another prime (2194355780377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1097177890173 + 1097177890174.

It is an arithmetic number, because the mean of its divisors is an integer number (1097177890174).

Almost surely, 2^{2194355780347} is an apocalyptic number.

2194355780347 is a deficient number, since it is larger than the sum of its proper divisors (1).

2194355780347 is an equidigital number, since it uses as much as digits as its factorization.

2194355780347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25401600, while the sum is 58.

The spelling of 2194355780347 in words is "two trillion, one hundred ninety-four billion, three hundred fifty-five million, seven hundred eighty thousand, three hundred forty-seven".