264108089197 has 2 divisors, whose sum is σ = 264108089198. Its totient is φ = 264108089196.

The previous prime is 264108089183. The next prime is 264108089207. The reversal of 264108089197 is 791980801462.

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., 239601439081 + 24506650116 = 489491^2 + 156546^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264108089197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264108089107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132054044598 + 132054044599.

It is an arithmetic number, because the mean of its divisors is an integer number (132054044599).

Almost surely, 2^264108089197 is an apocalyptic number.

It is an amenable number.

264108089197 is a deficient number, since it is larger than the sum of its proper divisors (1).

264108089197 is an equidigital number, since it uses as much as digits as its factorization.

264108089197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 55.

The spelling of 264108089197 in words is "two hundred sixty-four billion, one hundred eight million, eighty-nine thousand, one hundred ninety-seven".