109507263549 has 4 divisors (see below), whose sum is σ = 146009684736. Its totient is φ = 73004842364.

The previous prime is 109507263511. The next prime is 109507263559. The reversal of 109507263549 is 945362705901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 109507263549 - 2⁹ = 109507263037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109507263559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18251210589 + ... + 18251210594.

It is an arithmetic number, because the mean of its divisors is an integer number (36502421184).

Almost surely, 2^109507263549 is an apocalyptic number.

It is an amenable number.

109507263549 is a deficient number, since it is larger than the sum of its proper divisors (36502421187).

109507263549 is an equidigital number, since it uses as much as digits as its factorization.

109507263549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36502421186.

The product of its (nonzero) digits is 2041200, while the sum is 51.

The spelling of 109507263549 in words is "one hundred nine billion, five hundred seven million, two hundred sixty-three thousand, five hundred forty-nine".