4957243443401 has 2 divisors, whose sum is σ = 4957243443402. Its totient is φ = 4957243443400.

The previous prime is 4957243443367. The next prime is 4957243443403. The reversal of 4957243443401 is 1043443427594.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3623784333376 + 1333459110025 = 1903624^2 + 1154755^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4957243443401 is a prime.

Together with 4957243443403, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4957243443401.

It is not a weakly prime, because it can be changed into another prime (4957243443403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2478621721700 + 2478621721701.

It is an arithmetic number, because the mean of its divisors is an integer number (2478621721701).

Almost surely, 2^{4957243443401} is an apocalyptic number.

It is an amenable number.

4957243443401 is a deficient number, since it is larger than the sum of its proper divisors (1).

4957243443401 is an equidigital number, since it uses as much as digits as its factorization.

4957243443401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5806080, while the sum is 50.

The spelling of 4957243443401 in words is "four trillion, nine hundred fifty-seven billion, two hundred forty-three million, four hundred forty-three thousand, four hundred one".