34113736781 has 8 divisors (see below), whose sum is σ = 35602182720. Its totient is φ = 32625727552.

The previous prime is 34113736777. The next prime is 34113736823. The reversal of 34113736781 is 18763731143.

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

It is a cyclic number.

It is not a de Polignac number, because 34113736781 - 2² = 34113736777 is a prime.

It is a super-2 number, since 2×34113736781² (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 (34113736711) 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, 55781 + ... + 267093.

It is an arithmetic number, because the mean of its divisors is an integer number (4450272840).

Almost surely, 2^34113736781 is an apocalyptic number.

It is an amenable number.

34113736781 is a deficient number, since it is larger than the sum of its proper divisors (1488445939).

34113736781 is a wasteful number, since it uses less digits than its factorization.

34113736781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218355.

The product of its digits is 254016, while the sum is 44.

The spelling of 34113736781 in words is "thirty-four billion, one hundred thirteen million, seven hundred thirty-six thousand, seven hundred eighty-one".