34205894781 has 8 divisors (see below), whose sum is σ = 46288574304. Its totient is φ = 22463572560.

The previous prime is 34205894761. The next prime is 34205894809. The reversal of 34205894781 is 18749850243.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 34205894781 - 2²⁶ = 34138785917 is a prime.

It is a super-2 number, since 2×34205894781² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34205894741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85089090 + ... + 85089491.

It is an arithmetic number, because the mean of its divisors is an integer number (5786071788).

Almost surely, 2^34205894781 is an apocalyptic number.

It is an amenable number.

34205894781 is a deficient number, since it is larger than the sum of its proper divisors (12082679523).

34205894781 is a wasteful number, since it uses less digits than its factorization.

34205894781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170178651.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 34205894781 in words is "thirty-four billion, two hundred five million, eight hundred ninety-four thousand, seven hundred eighty-one".