1285286952539 has 2 divisors, whose sum is σ = 1285286952540. Its totient is φ = 1285286952538.

The previous prime is 1285286952487. The next prime is 1285286952541. The reversal of 1285286952539 is 9352596825821.

It is a strong prime.

It is an emirp because it is prime and its reverse (9352596825821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1285286952539 - 2⁸ = 1285286952283 is a prime.

Together with 1285286952541, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1285286952589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642643476269 + 642643476270.

It is an arithmetic number, because the mean of its divisors is an integer number (642643476270).

Almost surely, 2^{1285286952539} is an apocalyptic number.

1285286952539 is a deficient number, since it is larger than the sum of its proper divisors (1).

1285286952539 is an equidigital number, since it uses as much as digits as its factorization.

1285286952539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312000, while the sum is 65.

The spelling of 1285286952539 in words is "one trillion, two hundred eighty-five billion, two hundred eighty-six million, nine hundred fifty-two thousand, five hundred thirty-nine".