8534119621 has 4 divisors (see below), whose sum is σ = 8561041452. Its totient is φ = 8507197792.

The previous prime is 8534119579. The next prime is 8534119703. The reversal of 8534119621 is 1269114358.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1269114358 = 2 ⋅634557179.

It can be written as a sum of positive squares in 2 ways, for example, as 3045384225 + 5488735396 = 55185^2 + 74086^2 .

It is a cyclic number.

It is not a de Polignac number, because 8534119621 - 2¹⁷ = 8533988549 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8534119421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13460440 + ... + 13461073.

It is an arithmetic number, because the mean of its divisors is an integer number (2140260363).

Almost surely, 2^8534119621 is an apocalyptic number.

It is an amenable number.

8534119621 is a deficient number, since it is larger than the sum of its proper divisors (26921831).

8534119621 is a wasteful number, since it uses less digits than its factorization.

8534119621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26921830.

The product of its digits is 51840, while the sum is 40.

The square root of 8534119621 is about 92380.2988791441. The cubic root of 8534119621 is about 2043.5545823359.

The spelling of 8534119621 in words is "eight billion, five hundred thirty-four million, one hundred nineteen thousand, six hundred twenty-one".