1026340368959 has 2 divisors, whose sum is σ = 1026340368960. Its totient is φ = 1026340368958.

The previous prime is 1026340368941. The next prime is 1026340368979. The reversal of 1026340368959 is 9598630436201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1026340368959 is a prime.

It is a super-3 number, since 3×1026340368959³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1026340368919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513170184479 + 513170184480.

It is an arithmetic number, because the mean of its divisors is an integer number (513170184480).

Almost surely, 2^{1026340368959} is an apocalyptic number.

1026340368959 is a deficient number, since it is larger than the sum of its proper divisors (1).

1026340368959 is an equidigital number, since it uses as much as digits as its factorization.

1026340368959 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 56.

The spelling of 1026340368959 in words is "one trillion, twenty-six billion, three hundred forty million, three hundred sixty-eight thousand, nine hundred fifty-nine".