1395821282543 has 2 divisors, whose sum is σ = 1395821282544. Its totient is φ = 1395821282542.

The previous prime is 1395821282521. The next prime is 1395821282561. The reversal of 1395821282543 is 3452821285931.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1395821282543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1395821287543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 697910641271 + 697910641272.

It is an arithmetic number, because the mean of its divisors is an integer number (697910641272).

Almost surely, 2^{1395821282543} is an apocalyptic number.

1395821282543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1395821282543 is an equidigital number, since it uses as much as digits as its factorization.

1395821282543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4147200, while the sum is 53.

The spelling of 1395821282543 in words is "one trillion, three hundred ninety-five billion, eight hundred twenty-one million, two hundred eighty-two thousand, five hundred forty-three".