13937201273 has 4 divisors (see below), whose sum is σ = 14757036660. Its totient is φ = 13117365888.

The previous prime is 13937201231. The next prime is 13937201429. The reversal of 13937201273 is 37210273931.

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 3963583849 + 9973617424 = 62957^2 + 99868^2 .

It is a cyclic number.

It is not a de Polignac number, because 13937201273 - 2²⁶ = 13870092409 is a prime.

It is a super-2 number, since 2×13937201273² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13937201203) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 409917668 + ... + 409917701.

It is an arithmetic number, because the mean of its divisors is an integer number (3689259165).

Almost surely, 2^13937201273 is an apocalyptic number.

It is an amenable number.

13937201273 is a deficient number, since it is larger than the sum of its proper divisors (819835387).

13937201273 is an equidigital number, since it uses as much as digits as its factorization.

13937201273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819835386.

The product of its (nonzero) digits is 47628, while the sum is 38.

The spelling of 13937201273 in words is "thirteen billion, nine hundred thirty-seven million, two hundred one thousand, two hundred seventy-three".