264939690229 has 2 divisors, whose sum is σ = 264939690230. Its totient is φ = 264939690228.

The previous prime is 264939690163. The next prime is 264939690247. The reversal of 264939690229 is 922096939462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 262555809604 + 2383880625 = 512402^2 + 48825^2 .

It is a cyclic number.

It is not a de Polignac number, because 264939690229 - 2⁹ = 264939689717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264939690259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132469845114 + 132469845115.

It is an arithmetic number, because the mean of its divisors is an integer number (132469845115).

Almost surely, 2^264939690229 is an apocalyptic number.

It is an amenable number.

264939690229 is a deficient number, since it is larger than the sum of its proper divisors (1).

264939690229 is an equidigital number, since it uses as much as digits as its factorization.

264939690229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22674816, while the sum is 61.

The spelling of 264939690229 in words is "two hundred sixty-four billion, nine hundred thirty-nine million, six hundred ninety thousand, two hundred twenty-nine".