34821015638 has 8 divisors (see below), whose sum is σ = 52234135632. Its totient is φ = 17409637096.

The previous prime is 34821015599. The next prime is 34821015641. The reversal of 34821015638 is 83651012843.

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

It is a junction number, because it is equal to n+sod(n) for n = 34821015595 and 34821015604.

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 in 3 ways as a sum of consecutive naturals, for example, 384170 + ... + 466077.

It is an arithmetic number, because the mean of its divisors is an integer number (6529266954).

Almost surely, 2^34821015638 is an apocalyptic number.

34821015638 is a deficient number, since it is larger than the sum of its proper divisors (17413119994).

34821015638 is a wasteful number, since it uses less digits than its factorization.

34821015638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870726.

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 34821015638 in words is "thirty-four billion, eight hundred twenty-one million, fifteen thousand, six hundred thirty-eight".