7126968197 has 4 divisors (see below), whose sum is σ = 7129184076. Its totient is φ = 7124752320.

The previous prime is 7126968181. The next prime is 7126968223. The reversal of 7126968197 is 7918696217.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3612731236 + 3514236961 = 60106^2 + 59281^2 .

It is a cyclic number.

It is not a de Polignac number, because 7126968197 - 2⁴ = 7126968181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7126968127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1103108 + ... + 1109549.

It is an arithmetic number, because the mean of its divisors is an integer number (1782296019).

Almost surely, 2^7126968197 is an apocalyptic number.

It is an amenable number.

7126968197 is a deficient number, since it is larger than the sum of its proper divisors (2215879).

7126968197 is a wasteful number, since it uses less digits than its factorization.

7126968197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215878.

The product of its digits is 2286144, while the sum is 56.

The square root of 7126968197 is about 84421.3728684863. The cubic root of 7126968197 is about 1924.4277331477.

The spelling of 7126968197 in words is "seven billion, one hundred twenty-six million, nine hundred sixty-eight thousand, one hundred ninety-seven".