1398341745571 has 2 divisors, whose sum is σ = 1398341745572. Its totient is φ = 1398341745570.

The previous prime is 1398341745557. The next prime is 1398341745599. The reversal of 1398341745571 is 1755471438931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1398341745571 - 2²³ = 1398333356963 is a prime.

It is a partition number, being equal to the number of ways a set of 188 identical objects can be partitioned into subset.

It is not a weakly prime, because it can be changed into another prime (1398341740571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 699170872785 + 699170872786.

It is an arithmetic number, because the mean of its divisors is an integer number (699170872786).

Almost surely, 2^{1398341745571} is an apocalyptic number.

1398341745571 is a deficient number, since it is larger than the sum of its proper divisors (1).

1398341745571 is an equidigital number, since it uses as much as digits as its factorization.

1398341745571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12700800, while the sum is 58.

The spelling of 1398341745571 in words is "one trillion, three hundred ninety-eight billion, three hundred forty-one million, seven hundred forty-five thousand, five hundred seventy-one".