109463140109 has 2 divisors, whose sum is σ = 109463140110. Its totient is φ = 109463140108.

The previous prime is 109463140091. The next prime is 109463140153. The reversal of 109463140109 is 901041364901.

Together with previous prime (109463140091) 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., 93079908100 + 16383232009 = 305090^2 + 127997^2 .

It is a cyclic number.

It is not a de Polignac number, because 109463140109 - 2¹⁶ = 109463074573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109463140159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54731570054 + 54731570055.

It is an arithmetic number, because the mean of its divisors is an integer number (54731570055).

Almost surely, 2^109463140109 is an apocalyptic number.

It is an amenable number.

109463140109 is a deficient number, since it is larger than the sum of its proper divisors (1).

109463140109 is an equidigital number, since it uses as much as digits as its factorization.

109463140109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 109463140109 in words is "one hundred nine billion, four hundred sixty-three million, one hundred forty thousand, one hundred nine".