13845376117 has 2 divisors, whose sum is σ = 13845376118. Its totient is φ = 13845376116.

The previous prime is 13845376099. The next prime is 13845376157. The reversal of 13845376117 is 71167354831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7421994801 + 6423381316 = 86151^2 + 80146^2 .

It is a cyclic number.

It is not a de Polignac number, because 13845376117 - 2²³ = 13836987509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13845376157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6922688058 + 6922688059.

It is an arithmetic number, because the mean of its divisors is an integer number (6922688059).

Almost surely, 2^13845376117 is an apocalyptic number.

It is an amenable number.

13845376117 is a deficient number, since it is larger than the sum of its proper divisors (1).

13845376117 is an equidigital number, since it uses as much as digits as its factorization.

13845376117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 46.

The spelling of 13845376117 in words is "thirteen billion, eight hundred forty-five million, three hundred seventy-six thousand, one hundred seventeen".