264635669503 has 2 divisors, whose sum is σ = 264635669504. Its totient is φ = 264635669502.

The previous prime is 264635669449. The next prime is 264635669537. The reversal of 264635669503 is 305966536462.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 264635669503 - 2²⁹ = 264098798591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264635169503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132317834751 + 132317834752.

It is an arithmetic number, because the mean of its divisors is an integer number (132317834752).

Almost surely, 2^264635669503 is an apocalyptic number.

264635669503 is a deficient number, since it is larger than the sum of its proper divisors (1).

264635669503 is an equidigital number, since it uses as much as digits as its factorization.

264635669503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20995200, while the sum is 55.

The spelling of 264635669503 in words is "two hundred sixty-four billion, six hundred thirty-five million, six hundred sixty-nine thousand, five hundred three".