10943891137 has 2 divisors, whose sum is σ = 10943891138. Its totient is φ = 10943891136.

The previous prime is 10943891113. The next prime is 10943891173. The reversal of 10943891137 is 73119834901.

Together with next prime (10943891173) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10278715456 + 665175681 = 101384^2 + 25791^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10943891137 is a prime.

It is not a weakly prime, because it can be changed into another prime (10943891177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5471945568 + 5471945569.

It is an arithmetic number, because the mean of its divisors is an integer number (5471945569).

Almost surely, 2^10943891137 is an apocalyptic number.

It is an amenable number.

10943891137 is a deficient number, since it is larger than the sum of its proper divisors (1).

10943891137 is an equidigital number, since it uses as much as digits as its factorization.

10943891137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 46.

The spelling of 10943891137 in words is "ten billion, nine hundred forty-three million, eight hundred ninety-one thousand, one hundred thirty-seven".