2143292197 has 2 divisors, whose sum is σ = 2143292198. Its totient is φ = 2143292196.

The previous prime is 2143292189. The next prime is 2143292257. The reversal of 2143292197 is 7912923412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1431789921 + 711502276 = 37839^2 + 26674^2 .

It is a cyclic number.

It is not a de Polignac number, because 2143292197 - 2³ = 2143292189 is a prime.

It is a super-3 number, since 3×2143292197³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2143292597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071646098 + 1071646099.

It is an arithmetic number, because the mean of its divisors is an integer number (1071646099).

Almost surely, 2^2143292197 is an apocalyptic number.

It is an amenable number.

2143292197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143292197 is an equidigital number, since it uses as much as digits as its factorization.

2143292197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 40.

The square root of 2143292197 is about 46295.7038719577. The cubic root of 2143292197 is about 1289.3192323749.

The spelling of 2143292197 in words is "two billion, one hundred forty-three million, two hundred ninety-two thousand, one hundred ninety-seven".