1330646922881 has 4 divisors (see below), whose sum is σ = 1330675996164. Its totient is φ = 1330617849600.

The previous prime is 1330646922863. The next prime is 1330646922883. The reversal of 1330646922881 is 1882296460331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 839393121856 + 491253801025 = 916184^2 + 700895^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330646922881 - 2³⁴ = 1313467053697 is a prime.

It is a super-2 number, since 2×1330646922881² (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 (1330646922883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14467880 + ... + 14559561.

It is an arithmetic number, because the mean of its divisors is an integer number (332668999041).

Almost surely, 2^{1330646922881} is an apocalyptic number.

It is an amenable number.

1330646922881 is a deficient number, since it is larger than the sum of its proper divisors (29073283).

1330646922881 is an equidigital number, since it uses as much as digits as its factorization.

1330646922881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29073282.

The product of its (nonzero) digits is 2985984, while the sum is 53.

The spelling of 1330646922881 in words is "one trillion, three hundred thirty billion, six hundred forty-six million, nine hundred twenty-two thousand, eight hundred eighty-one".