1326941036689 has 16 divisors (see below), whose sum is σ = 1454304418560. Its totient is φ = 1206335376000.

The previous prime is 1326941036647. The next prime is 1326941036747. The reversal of 1326941036689 is 9866301496231.

It is a cyclic number.

It is not a de Polignac number, because 1326941036689 - 2⁹ = 1326941036177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1326941036189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13914697 + ... + 14009734.

It is an arithmetic number, because the mean of its divisors is an integer number (90894026160).

Almost surely, 2^{1326941036689} is an apocalyptic number.

1326941036689 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1326941036689 is a deficient number, since it is larger than the sum of its proper divisors (127363381871).

1326941036689 is a wasteful number, since it uses less digits than its factorization.

1326941036689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27924552.

The product of its (nonzero) digits is 10077696, while the sum is 58.

The spelling of 1326941036689 in words is "one trillion, three hundred twenty-six billion, nine hundred forty-one million, thirty-six thousand, six hundred eighty-nine".