2194046357 has 2 divisors, whose sum is σ = 2194046358. Its totient is φ = 2194046356.

The previous prime is 2194046347. The next prime is 2194046389. The reversal of 2194046357 is 7536404912.

2194046357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2165413156 + 28633201 = 46534^2 + 5351^2 .

It is a cyclic number.

It is not a de Polignac number, because 2194046357 - 2²⁸ = 1925610901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2194046347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1097023178 + 1097023179.

It is an arithmetic number, because the mean of its divisors is an integer number (1097023179).

Almost surely, 2^2194046357 is an apocalyptic number.

It is an amenable number.

2194046357 is a deficient number, since it is larger than the sum of its proper divisors (1).

2194046357 is an equidigital number, since it uses as much as digits as its factorization.

2194046357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 2194046357 is about 46840.6485544340. The cubic root of 2194046357 is about 1299.4171661512.

The spelling of 2194046357 in words is "two billion, one hundred ninety-four million, forty-six thousand, three hundred fifty-seven".