13811545373 has 2 divisors, whose sum is σ = 13811545374. Its totient is φ = 13811545372.

The previous prime is 13811545369. The next prime is 13811545393. The reversal of 13811545373 is 37354511831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12856611769 + 954933604 = 113387^2 + 30902^2 .

It is a cyclic number.

It is not a de Polignac number, because 13811545373 - 2² = 13811545369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13811545373.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13811545393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6905772686 + 6905772687.

It is an arithmetic number, because the mean of its divisors is an integer number (6905772687).

Almost surely, 2^13811545373 is an apocalyptic number.

It is an amenable number.

13811545373 is a deficient number, since it is larger than the sum of its proper divisors (1).

13811545373 is an equidigital number, since it uses as much as digits as its factorization.

13811545373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 41.

The spelling of 13811545373 in words is "thirteen billion, eight hundred eleven million, five hundred forty-five thousand, three hundred seventy-three".