1371420066791 has 2 divisors, whose sum is σ = 1371420066792. Its totient is φ = 1371420066790.

The previous prime is 1371420066767. The next prime is 1371420066827. The reversal of 1371420066791 is 1976600241731.

It is a weak prime.

It is an emirp because it is prime and its reverse (1976600241731) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1371420066791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1371420066391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685710033395 + 685710033396.

It is an arithmetic number, because the mean of its divisors is an integer number (685710033396).

Almost surely, 2^{1371420066791} is an apocalyptic number.

1371420066791 is a deficient number, since it is larger than the sum of its proper divisors (1).

1371420066791 is an equidigital number, since it uses as much as digits as its factorization.

1371420066791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 47.

The spelling of 1371420066791 in words is "one trillion, three hundred seventy-one billion, four hundred twenty million, sixty-six thousand, seven hundred ninety-one".