264567375485093 has 2 divisors, whose sum is σ = 264567375485094. Its totient is φ = 264567375485092.

The previous prime is 264567375485087. The next prime is 264567375485207. The reversal of 264567375485093 is 390584573765462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143420216769124 + 121147158715969 = 11975818^2 + 11006687^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264567375485093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 264567375485093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264567375485593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132283687742546 + 132283687742547.

It is an arithmetic number, because the mean of its divisors is an integer number (132283687742547).

Almost surely, 2^{264567375485093} is an apocalyptic number.

It is an amenable number.

264567375485093 is a deficient number, since it is larger than the sum of its proper divisors (1).

264567375485093 is an equidigital number, since it uses as much as digits as its factorization.

264567375485093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4572288000, while the sum is 74.

The spelling of 264567375485093 in words is "two hundred sixty-four trillion, five hundred sixty-seven billion, three hundred seventy-five million, four hundred eighty-five thousand, ninety-three".