1145443571639 has 2 divisors, whose sum is σ = 1145443571640. Its totient is φ = 1145443571638.

The previous prime is 1145443571627. The next prime is 1145443571641. The reversal of 1145443571639 is 9361753445411.

It is a strong prime.

It is an emirp because it is prime and its reverse (9361753445411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1145443571639 is a prime.

Together with 1145443571641, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145443571669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572721785819 + 572721785820.

It is an arithmetic number, because the mean of its divisors is an integer number (572721785820).

Almost surely, 2^{1145443571639} is an apocalyptic number.

1145443571639 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145443571639 is an equidigital number, since it uses as much as digits as its factorization.

1145443571639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5443200, while the sum is 53.

The spelling of 1145443571639 in words is "one trillion, one hundred forty-five billion, four hundred forty-three million, five hundred seventy-one thousand, six hundred thirty-nine".