2975972983889 has 2 divisors, whose sum is σ = 2975972983890. Its totient is φ = 2975972983888.

The previous prime is 2975972983877. The next prime is 2975972983897. The reversal of 2975972983889 is 9883892795792.

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., 1924579093264 + 1051393890625 = 1387292^2 + 1025375^2 .

It is a cyclic number.

It is not a de Polignac number, because 2975972983889 - 2²⁸ = 2975704548433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2975972983889.

It is not a weakly prime, because it can be changed into another prime (2975972983829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1487986491944 + 1487986491945.

It is an arithmetic number, because the mean of its divisors is an integer number (1487986491945).

Almost surely, 2^{2975972983889} is an apocalyptic number.

It is an amenable number.

2975972983889 is a deficient number, since it is larger than the sum of its proper divisors (1).

2975972983889 is an equidigital number, since it uses as much as digits as its factorization.

2975972983889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9876142080, while the sum is 86.

The spelling of 2975972983889 in words is "two trillion, nine hundred seventy-five billion, nine hundred seventy-two million, nine hundred eighty-three thousand, eight hundred eighty-nine".