6946275397 has 2 divisors, whose sum is σ = 6946275398. Its totient is φ = 6946275396.

The previous prime is 6946275337. The next prime is 6946275403. The reversal of 6946275397 is 7935726496.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6285476961 + 660798436 = 79281^2 + 25706^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6946275397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6946275337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3473137698 + 3473137699.

It is an arithmetic number, because the mean of its divisors is an integer number (3473137699).

Almost surely, 2^6946275397 is an apocalyptic number.

It is an amenable number.

6946275397 is a deficient number, since it is larger than the sum of its proper divisors (1).

6946275397 is an equidigital number, since it uses as much as digits as its factorization.

6946275397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17146080, while the sum is 58.

The square root of 6946275397 is about 83344.3183246465. The cubic root of 6946275397 is about 1908.0247295857.

The spelling of 6946275397 in words is "six billion, nine hundred forty-six million, two hundred seventy-five thousand, three hundred ninety-seven".