264906443 has 2 divisors, whose sum is σ = 264906444. Its totient is φ = 264906442.

The previous prime is 264906419. The next prime is 264906449. The reversal of 264906443 is 344609462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 264906443 - 2¹⁰ = 264905419 is a prime.

It is equal to p_14448953 and since 264906443 and 14448953 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 264906397 and 264906406.

It is not a weakly prime, because it can be changed into another prime (264906449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132453221 + 132453222.

It is an arithmetic number, because the mean of its divisors is an integer number (132453222).

Almost surely, 2^264906443 is an apocalyptic number.

264906443 is a deficient number, since it is larger than the sum of its proper divisors (1).

264906443 is an equidigital number, since it uses as much as digits as its factorization.

264906443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 38.

The square root of 264906443 is about 16275.9467620166. The cubic root of 264906443 is about 642.2402311012.

The spelling of 264906443 in words is "two hundred sixty-four million, nine hundred six thousand, four hundred forty-three".