13850406191 has 2 divisors, whose sum is σ = 13850406192. Its totient is φ = 13850406190.

The previous prime is 13850406131. The next prime is 13850406197. The reversal of 13850406191 is 19160405831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13850406191 - 2²² = 13846211887 is a prime.

It is a super-2 number, since 2×13850406191² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13850406197) 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 as a sum of consecutive naturals, namely, 6925203095 + 6925203096.

It is an arithmetic number, because the mean of its divisors is an integer number (6925203096).

Almost surely, 2^13850406191 is an apocalyptic number.

13850406191 is a deficient number, since it is larger than the sum of its proper divisors (1).

13850406191 is an equidigital number, since it uses as much as digits as its factorization.

13850406191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 38.

The spelling of 13850406191 in words is "thirteen billion, eight hundred fifty million, four hundred six thousand, one hundred ninety-one".