1328512581419 has 16 divisors (see below), whose sum is σ = 1408122131040. Its totient is φ = 1249066114560.

The previous prime is 1328512581359. The next prime is 1328512581421. The reversal of 1328512581419 is 9141852158231.

It is a cyclic number.

It is not a de Polignac number, because 1328512581419 - 2⁸ = 1328512581163 is a prime.

It is a super-2 number, since 2×1328512581419² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1328512581479) 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, 82708649 + ... + 82724709.

It is an arithmetic number, because the mean of its divisors is an integer number (88007633190).

Almost surely, 2^{1328512581419} is an apocalyptic number.

1328512581419 is a deficient number, since it is larger than the sum of its proper divisors (79609549621).

1328512581419 is a wasteful number, since it uses less digits than its factorization.

1328512581419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20830.

The product of its digits is 691200, while the sum is 50.

The spelling of 1328512581419 in words is "one trillion, three hundred twenty-eight billion, five hundred twelve million, five hundred eighty-one thousand, four hundred nineteen".