13891662341 has 2 divisors, whose sum is σ = 13891662342. Its totient is φ = 13891662340.

The previous prime is 13891662329. The next prime is 13891662391. The reversal of 13891662341 is 14326619831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11161077316 + 2730585025 = 105646^2 + 52255^2 .

It is a cyclic number.

It is not a de Polignac number, because 13891662341 - 2¹⁸ = 13891400197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13891662292 and 13891662301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13891662391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6945831170 + 6945831171.

It is an arithmetic number, because the mean of its divisors is an integer number (6945831171).

Almost surely, 2^13891662341 is an apocalyptic number.

It is an amenable number.

13891662341 is a deficient number, since it is larger than the sum of its proper divisors (1).

13891662341 is an equidigital number, since it uses as much as digits as its factorization.

13891662341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 44.

The spelling of 13891662341 in words is "thirteen billion, eight hundred ninety-one million, six hundred sixty-two thousand, three hundred forty-one".