262530342149 has 2 divisors, whose sum is σ = 262530342150. Its totient is φ = 262530342148.

The previous prime is 262530342097. The next prime is 262530342187. The reversal of 262530342149 is 941243035262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157356609124 + 105173733025 = 396682^2 + 324305^2 .

It is a cyclic number.

It is not a de Polignac number, because 262530342149 - 2²⁰ = 262529293573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (262530372149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131265171074 + 131265171075.

It is an arithmetic number, because the mean of its divisors is an integer number (131265171075).

Almost surely, 2^262530342149 is an apocalyptic number.

It is an amenable number.

262530342149 is a deficient number, since it is larger than the sum of its proper divisors (1).

262530342149 is an equidigital number, since it uses as much as digits as its factorization.

262530342149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 262530342149 in words is "two hundred sixty-two billion, five hundred thirty million, three hundred forty-two thousand, one hundred forty-nine".