2243143038977 has 2 divisors, whose sum is σ = 2243143038978. Its totient is φ = 2243143038976.

The previous prime is 2243143038937. The next prime is 2243143038979. The reversal of 2243143038977 is 7798303413422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1482199111936 + 760943927041 = 1217456^2 + 872321^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2243143038977 is a prime.

Together with 2243143038979, 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 (2243143038979) 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, 1121571519488 + 1121571519489.

It is an arithmetic number, because the mean of its divisors is an integer number (1121571519489).

Almost surely, 2^{2243143038977} is an apocalyptic number.

It is an amenable number.

2243143038977 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243143038977 is an equidigital number, since it uses as much as digits as its factorization.

2243143038977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6096384, while the sum is 53.

The spelling of 2243143038977 in words is "two trillion, two hundred forty-three billion, one hundred forty-three million, thirty-eight thousand, nine hundred seventy-seven".