2623205197 has 2 divisors, whose sum is σ = 2623205198. Its totient is φ = 2623205196.

The previous prime is 2623205183. The next prime is 2623205257. The reversal of 2623205197 is 7915023262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2585824201 + 37380996 = 50851^2 + 6114^2 .

It is a cyclic number.

It is not a de Polignac number, because 2623205197 - 2³¹ = 475721549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2623205147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1311602598 + 1311602599.

It is an arithmetic number, because the mean of its divisors is an integer number (1311602599).

Almost surely, 2^2623205197 is an apocalyptic number.

It is an amenable number.

2623205197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2623205197 is an equidigital number, since it uses as much as digits as its factorization.

2623205197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 2623205197 is about 51217.2353510027. The cubic root of 2623205197 is about 1379.1476212463.

The spelling of 2623205197 in words is "two billion, six hundred twenty-three million, two hundred five thousand, one hundred ninety-seven".