264474018253 has 2 divisors, whose sum is σ = 264474018254. Its totient is φ = 264474018252.

The previous prime is 264474018229. The next prime is 264474018311. The reversal of 264474018253 is 352810474462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225148352004 + 39325666249 = 474498^2 + 198307^2 .

It is a cyclic number.

It is not a de Polignac number, because 264474018253 - 2¹³ = 264474010061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264474018203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132237009126 + 132237009127.

It is an arithmetic number, because the mean of its divisors is an integer number (132237009127).

Almost surely, 2^264474018253 is an apocalyptic number.

It is an amenable number.

264474018253 is a deficient number, since it is larger than the sum of its proper divisors (1).

264474018253 is an equidigital number, since it uses as much as digits as its factorization.

264474018253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1290240, while the sum is 46.

The spelling of 264474018253 in words is "two hundred sixty-four billion, four hundred seventy-four million, eighteen thousand, two hundred fifty-three".