2147436704849 has 2 divisors, whose sum is σ = 2147436704850. Its totient is φ = 2147436704848.

The previous prime is 2147436704837. The next prime is 2147436704851. The reversal of 2147436704849 is 9484076347412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2074371911824 + 73064793025 = 1440268^2 + 270305^2 .

It is a cyclic number.

It is not a de Polignac number, because 2147436704849 - 2²⁰ = 2147435656273 is a prime.

It is a super-2 number, since 2×2147436704849² (a number of 25 digits) contains 22 as substring.

Together with 2147436704851, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2147436703849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1073718352424 + 1073718352425.

It is an arithmetic number, because the mean of its divisors is an integer number (1073718352425).

Almost surely, 2^{2147436704849} is an apocalyptic number.

It is an amenable number.

2147436704849 is a deficient number, since it is larger than the sum of its proper divisors (1).

2147436704849 is an equidigital number, since it uses as much as digits as its factorization.

2147436704849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32514048, while the sum is 59.

The spelling of 2147436704849 in words is "two trillion, one hundred forty-seven billion, four hundred thirty-six million, seven hundred four thousand, eight hundred forty-nine".