1285089139363 has 2 divisors, whose sum is σ = 1285089139364. Its totient is φ = 1285089139362.

The previous prime is 1285089139361. The next prime is 1285089139403. The reversal of 1285089139363 is 3639319805821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1285089139363 - 2¹ = 1285089139361 is a prime.

It is a super-2 number, since 2×1285089139363² (a number of 25 digits) contains 22 as substring.

Together with 1285089139361, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1285089139298 and 1285089139307.

It is not a weakly prime, because it can be changed into another prime (1285089139361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642544569681 + 642544569682.

It is an arithmetic number, because the mean of its divisors is an integer number (642544569682).

Almost surely, 2^{1285089139363} is an apocalyptic number.

1285089139363 is a deficient number, since it is larger than the sum of its proper divisors (1).

1285089139363 is an equidigital number, since it uses as much as digits as its factorization.

1285089139363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8398080, while the sum is 58.

The spelling of 1285089139363 in words is "one trillion, two hundred eighty-five billion, eighty-nine million, one hundred thirty-nine thousand, three hundred sixty-three".