73849161109 has 4 divisors (see below), whose sum is σ = 75420419904. Its totient is φ = 72277902316.

The previous prime is 73849161077. The next prime is 73849161119. The reversal of 73849161109 is 90116194837.

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 73849161109 - 2⁵ = 73849161077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73849161119) 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, 785629327 + ... + 785629420.

It is an arithmetic number, because the mean of its divisors is an integer number (18855104976).

Almost surely, 2^73849161109 is an apocalyptic number.

It is an amenable number.

73849161109 is a deficient number, since it is larger than the sum of its proper divisors (1571258795).

73849161109 is a wasteful number, since it uses less digits than its factorization.

73849161109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571258794.

The product of its (nonzero) digits is 326592, while the sum is 49.

The spelling of 73849161109 in words is "seventy-three billion, eight hundred forty-nine million, one hundred sixty-one thousand, one hundred nine".