2145162656279 has 2 divisors, whose sum is σ = 2145162656280. Its totient is φ = 2145162656278.

The previous prime is 2145162656123. The next prime is 2145162656327. The reversal of 2145162656279 is 9726562615412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2145162656279 - 2¹² = 2145162652183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2145162656479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072581328139 + 1072581328140.

It is an arithmetic number, because the mean of its divisors is an integer number (1072581328140).

Almost surely, 2^{2145162656279} is an apocalyptic number.

2145162656279 is a deficient number, since it is larger than the sum of its proper divisors (1).

2145162656279 is an equidigital number, since it uses as much as digits as its factorization.

2145162656279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10886400, while the sum is 56.

The spelling of 2145162656279 in words is "two trillion, one hundred forty-five billion, one hundred sixty-two million, six hundred fifty-six thousand, two hundred seventy-nine".