2150818260329 has 2 divisors, whose sum is σ = 2150818260330. Its totient is φ = 2150818260328.

The previous prime is 2150818260299. The next prime is 2150818260347. The reversal of 2150818260329 is 9230628180512.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2016536322304 + 134281938025 = 1420048^2 + 366445^2 .

It is a cyclic number.

It is not a de Polignac number, because 2150818260329 - 2¹⁶ = 2150818194793 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2150818260379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075409130164 + 1075409130165.

It is an arithmetic number, because the mean of its divisors is an integer number (1075409130165).

Almost surely, 2^{2150818260329} is an apocalyptic number.

It is an amenable number.

2150818260329 is a deficient number, since it is larger than the sum of its proper divisors (1).

2150818260329 is an equidigital number, since it uses as much as digits as its factorization.

2150818260329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 47.

The spelling of 2150818260329 in words is "two trillion, one hundred fifty billion, eight hundred eighteen million, two hundred sixty thousand, three hundred twenty-nine".