1331652180473 has 4 divisors (see below), whose sum is σ = 1401739137360. Its totient is φ = 1261565223588.

The previous prime is 1331652180431. The next prime is 1331652180581. The reversal of 1331652180473 is 3740812561331.

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.

It is a cyclic number.

It is not a de Polignac number, because 1331652180473 - 2¹⁰ = 1331652179449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1331652180403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35043478415 + ... + 35043478452.

It is an arithmetic number, because the mean of its divisors is an integer number (350434784340).

Almost surely, 2^{1331652180473} is an apocalyptic number.

It is an amenable number.

1331652180473 is a deficient number, since it is larger than the sum of its proper divisors (70086956887).

1331652180473 is an equidigital number, since it uses as much as digits as its factorization.

1331652180473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70086956886.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 1331652180473 in words is "one trillion, three hundred thirty-one billion, six hundred fifty-two million, one hundred eighty thousand, four hundred seventy-three".