73840313193 has 4 divisors (see below), whose sum is σ = 98453750928. Its totient is φ = 49226875460.

The previous prime is 73840313189. The next prime is 73840313227. The reversal of 73840313193 is 39131304837.

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 73840313193 - 2² = 73840313189 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73840353193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12306718863 + ... + 12306718868.

It is an arithmetic number, because the mean of its divisors is an integer number (24613437732).

Almost surely, 2^73840313193 is an apocalyptic number.

It is an amenable number.

73840313193 is a deficient number, since it is larger than the sum of its proper divisors (24613437735).

73840313193 is a wasteful number, since it uses less digits than its factorization.

73840313193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24613437734.

The product of its (nonzero) digits is 163296, while the sum is 42.

The spelling of 73840313193 in words is "seventy-three billion, eight hundred forty million, three hundred thirteen thousand, one hundred ninety-three".