34047923191 has 4 divisors (see below), whose sum is σ = 34878360384. Its totient is φ = 33217486000.

The previous prime is 34047923179. The next prime is 34047923207. The reversal of 34047923191 is 19132974043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19132974043 = 5077 ⋅3768559.

It is a cyclic number.

It is not a de Polignac number, because 34047923191 - 2²³ = 34039534583 is a prime.

It is a super-2 number, since 2×34047923191² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34047923101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415218535 + ... + 415218616.

It is an arithmetic number, because the mean of its divisors is an integer number (8719590096).

Almost surely, 2^34047923191 is an apocalyptic number.

34047923191 is a deficient number, since it is larger than the sum of its proper divisors (830437193).

34047923191 is an equidigital number, since it uses as much as digits as its factorization.

34047923191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830437192.

The product of its (nonzero) digits is 163296, while the sum is 43.

The spelling of 34047923191 in words is "thirty-four billion, forty-seven million, nine hundred twenty-three thousand, one hundred ninety-one".