2145533016239 has 2 divisors, whose sum is σ = 2145533016240. Its totient is φ = 2145533016238.

The previous prime is 2145533016191. The next prime is 2145533016257. The reversal of 2145533016239 is 9326103355412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2145533016239 - 2²⁸ = 2145264580783 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2145533016239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2145533016839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072766508119 + 1072766508120.

It is an arithmetic number, because the mean of its divisors is an integer number (1072766508120).

Almost surely, 2^{2145533016239} is an apocalyptic number.

2145533016239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2145533016239 is an equidigital number, since it uses as much as digits as its factorization.

2145533016239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 583200, while the sum is 44.

The spelling of 2145533016239 in words is "two trillion, one hundred forty-five billion, five hundred thirty-three million, sixteen thousand, two hundred thirty-nine".