34438641811 has 8 divisors (see below), whose sum is σ = 40422189920. Its totient is φ = 28721029248.

The previous prime is 34438641781. The next prime is 34438641827. The reversal of 34438641811 is 11814683443.

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-34438641811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34438641851) 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, 66483606 + ... + 66484123.

It is an arithmetic number, because the mean of its divisors is an integer number (5052773740).

Almost surely, 2^34438641811 is an apocalyptic number.

34438641811 is a deficient number, since it is larger than the sum of its proper divisors (5983548109).

34438641811 is a wasteful number, since it uses less digits than its factorization.

34438641811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132967773.

The product of its digits is 221184, while the sum is 43.

The spelling of 34438641811 in words is "thirty-four billion, four hundred thirty-eight million, six hundred forty-one thousand, eight hundred eleven".