13721382573 has 32 divisors (see below), whose sum is σ = 19524464640. Its totient is φ = 8553230400.

The previous prime is 13721382503. The next prime is 13721382581. The reversal of 13721382573 is 37528312731.

It is not a de Polignac number, because 13721382573 - 2¹² = 13721378477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13721382503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 538090 + ... + 563012.

It is an arithmetic number, because the mean of its divisors is an integer number (610139520).

Almost surely, 2^13721382573 is an apocalyptic number.

It is an amenable number.

13721382573 is a deficient number, since it is larger than the sum of its proper divisors (5803082067).

13721382573 is a wasteful number, since it uses less digits than its factorization.

13721382573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25129.

The product of its digits is 211680, while the sum is 42.

The spelling of 13721382573 in words is "thirteen billion, seven hundred twenty-one million, three hundred eighty-two thousand, five hundred seventy-three".