34156934981 has 8 divisors (see below), whose sum is σ = 36881453280. Its totient is φ = 31446282672.

The previous prime is 34156934957. The next prime is 34156935011. The reversal of 34156934981 is 18943965143.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34156934981 is a prime.

It is a super-2 number, since 2×34156934981² (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 (34156936981) 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 7 ways as a sum of consecutive naturals, for example, 3461375 + ... + 3471228.

It is an arithmetic number, because the mean of its divisors is an integer number (4610181660).

Almost surely, 2^34156934981 is an apocalyptic number.

It is an amenable number.

34156934981 is a deficient number, since it is larger than the sum of its proper divisors (2724518299).

34156934981 is a wasteful number, since it uses less digits than its factorization.

34156934981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6932995.

The product of its digits is 2799360, while the sum is 53.

It can be divided in two parts, 3415 and 6934981, that added together give a palindrome (6938396).

The spelling of 34156934981 in words is "thirty-four billion, one hundred fifty-six million, nine hundred thirty-four thousand, nine hundred eighty-one".