34821680854 has 4 divisors (see below), whose sum is σ = 52232521284. Its totient is φ = 17410840426.

The previous prime is 34821680807. The next prime is 34821680867. The reversal of 34821680854 is 45808612843.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45808612843 = 7 ⋅6544087549.

It is a junction number, because it is equal to n+sod(n) for n = 34821680798 and 34821680807.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8705420212 + ... + 8705420215.

It is an arithmetic number, because the mean of its divisors is an integer number (13058130321).

Almost surely, 2^34821680854 is an apocalyptic number.

34821680854 is a deficient number, since it is larger than the sum of its proper divisors (17410840430).

34821680854 is a wasteful number, since it uses less digits than its factorization.

34821680854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17410840429.

The product of its (nonzero) digits is 1474560, while the sum is 49.

The spelling of 34821680854 in words is "thirty-four billion, eight hundred twenty-one million, six hundred eighty thousand, eight hundred fifty-four".