1313548821672 has 32 divisors (see below), whose sum is σ = 3283967824800. Its totient is φ = 437836837824.

The previous prime is 1313548821653. The next prime is 1313548821719. The reversal of 1313548821672 is 2761288453131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60858 + ... + 1621974.

It is an arithmetic number, because the mean of its divisors is an integer number (102623994525).

Almost surely, 2^{1313548821672} is an apocalyptic number.

1313548821672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1313548821672 is an abundant number, since it is smaller than the sum of its proper divisors (1970419003128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313548821672 is a wasteful number, since it uses less digits than its factorization.

1313548821672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596185 (or 1596181 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The spelling of 1313548821672 in words is "one trillion, three hundred thirteen billion, five hundred forty-eight million, eight hundred twenty-one thousand, six hundred seventy-two".