264421858171 has 2 divisors, whose sum is σ = 264421858172. Its totient is φ = 264421858170.

The previous prime is 264421858147. The next prime is 264421858199. The reversal of 264421858171 is 171858124462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 264421858171 - 2¹¹ = 264421856123 is a prime.

It is not a weakly prime, because it can be changed into another prime (264421808171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132210929085 + 132210929086.

It is an arithmetic number, because the mean of its divisors is an integer number (132210929086).

Almost surely, 2^264421858171 is an apocalyptic number.

264421858171 is a deficient number, since it is larger than the sum of its proper divisors (1).

264421858171 is an equidigital number, since it uses as much as digits as its factorization.

264421858171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 860160, while the sum is 49.

The spelling of 264421858171 in words is "two hundred sixty-four billion, four hundred twenty-one million, eight hundred fifty-eight thousand, one hundred seventy-one".