834663366438 has 16 divisors (see below), whose sum is σ = 1821083708736. Its totient is φ = 252928292840.

The previous prime is 834663366419. The next prime is 834663366443.

834663366438 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6323207256 + ... + 6323207387.

It is an arithmetic number, because the mean of its divisors is an integer number (113817731796).

Almost surely, 2^834663366438 is an apocalyptic number.

834663366438 is an abundant number, since it is smaller than the sum of its proper divisors (986420342298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

834663366438 is a wasteful number, since it uses less digits than its factorization.

834663366438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12646414659.

The product of its digits is 107495424, while the sum is 60.

The spelling of 834663366438 in words is "eight hundred thirty-four billion, six hundred sixty-three million, three hundred sixty-six thousand, four hundred thirty-eight".