2195757194 has 4 divisors (see below), whose sum is σ = 3293635794. Its totient is φ = 1097878596.

The previous prime is 2195757167. The next prime is 2195757197. The reversal of 2195757194 is 4917575912.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1106427169 + 1089330025 = 33263^2 + 33005^2 .

It is not an unprimeable number, because it can be changed into a prime (2195757197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 548939297 + ... + 548939300.

Almost surely, 2^2195757194 is an apocalyptic number.

2195757194 is a deficient number, since it is larger than the sum of its proper divisors (1097878600).

2195757194 is a wasteful number, since it uses less digits than its factorization.

2195757194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097878599.

The product of its digits is 793800, while the sum is 50.

The square root of 2195757194 is about 46858.9073069358. The cubic root of 2195757194 is about 1299.7548243750.

The spelling of 2195757194 in words is "two billion, one hundred ninety-five million, seven hundred fifty-seven thousand, one hundred ninety-four".