1330408325581 has 4 divisors (see below), whose sum is σ = 1330410632992. Its totient is φ = 1330406018172.

The previous prime is 1330408325579. The next prime is 1330408325639. The reversal of 1330408325581 is 1855238040331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1330408325581 - 2¹ = 1330408325579 is a prime.

It is a super-2 number, since 2×1330408325581² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330408325501) 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, 539296 + ... + 1718038.

It is an arithmetic number, because the mean of its divisors is an integer number (332602658248).

Almost surely, 2^{1330408325581} is an apocalyptic number.

It is an amenable number.

1330408325581 is a deficient number, since it is larger than the sum of its proper divisors (2307411).

1330408325581 is a wasteful number, since it uses less digits than its factorization.

1330408325581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2307410.

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 1330408325581 in words is "one trillion, three hundred thirty billion, four hundred eight million, three hundred twenty-five thousand, five hundred eighty-one".