8534211690 has 64 divisors (see below), whose sum is σ = 21097252224. Its totient is φ = 2207801088.

The previous prime is 8534211683. The next prime is 8534211737. The reversal of 8534211690 is 961124358.

It is a super-2 number, since 2×8534211690² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 374092 + ... + 396248.

It is an arithmetic number, because the mean of its divisors is an integer number (329644566).

Almost surely, 2^8534211690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8534211690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10548626112).

8534211690 is an abundant number, since it is smaller than the sum of its proper divisors (12563040534).

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

8534211690 is a wasteful number, since it uses less digits than its factorization.

8534211690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22551.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 8534211690 is about 92380.7971929232. The cubic root of 8534211690 is about 2043.5619311646.

The spelling of 8534211690 in words is "eight billion, five hundred thirty-four million, two hundred eleven thousand, six hundred ninety".