2194968797 has 16 divisors (see below), whose sum is σ = 2596040832. Its totient is φ = 1816551360.

The previous prime is 2194968779. The next prime is 2194968803. The reversal of 2194968797 is 7978694912.

It is a cyclic number.

It is not a de Polignac number, because 2194968797 - 2¹⁰ = 2194967773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2194968757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1583 + ... + 66275.

It is an arithmetic number, because the mean of its divisors is an integer number (162252552).

Almost surely, 2^2194968797 is an apocalyptic number.

It is an amenable number.

2194968797 is a deficient number, since it is larger than the sum of its proper divisors (401072035).

2194968797 is a wasteful number, since it uses less digits than its factorization.

2194968797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64868.

The product of its digits is 13716864, while the sum is 62.

The square root of 2194968797 is about 46850.4940955803. The cubic root of 2194968797 is about 1299.5992447151.

The spelling of 2194968797 in words is "two billion, one hundred ninety-four million, nine hundred sixty-eight thousand, seven hundred ninety-seven".