371783760068321 has 2 divisors, whose sum is σ = 371783760068322. Its totient is φ = 371783760068320.

The previous prime is 371783760068251. The next prime is 371783760068381. The reversal of 371783760068321 is 123860067387173.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 365863589808721 + 5920170259600 = 19127561^2 + 2433140^2 .

It is a cyclic number.

It is not a de Polignac number, because 371783760068321 - 2³⁰ = 371782686326497 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (371783760068381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 185891880034160 + 185891880034161.

It is an arithmetic number, because the mean of its divisors is an integer number (185891880034161).

Almost surely, 2^{371783760068321} is an apocalyptic number.

It is an amenable number.

371783760068321 is a deficient number, since it is larger than the sum of its proper divisors (1).

371783760068321 is an equidigital number, since it uses as much as digits as its factorization.

371783760068321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42674688, while the sum is 62.

The spelling of 371783760068321 in words is "three hundred seventy-one trillion, seven hundred eighty-three billion, seven hundred sixty million, sixty-eight thousand, three hundred twenty-one".