3102279118849 has 2 divisors, whose sum is σ = 3102279118850. Its totient is φ = 3102279118848.

The previous prime is 3102279118843. The next prime is 3102279118871. The reversal of 3102279118849 is 9488119722013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2900696078449 + 201583040400 = 1703143^2 + 448980^2 .

It is an emirp because it is prime and its reverse (9488119722013) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3102279118849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3102279118849.

It is not a weakly prime, because it can be changed into another prime (3102279118843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1551139559424 + 1551139559425.

It is an arithmetic number, because the mean of its divisors is an integer number (1551139559425).

Almost surely, 2^{3102279118849} is an apocalyptic number.

It is an amenable number.

3102279118849 is a deficient number, since it is larger than the sum of its proper divisors (1).

3102279118849 is an equidigital number, since it uses as much as digits as its factorization.

3102279118849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 55.

The spelling of 3102279118849 in words is "three trillion, one hundred two billion, two hundred seventy-nine million, one hundred eighteen thousand, eight hundred forty-nine".