8734189669 has 4 divisors (see below), whose sum is σ = 8802962944. Its totient is φ = 8665416396.

The previous prime is 8734189661. The next prime is 8734189693. The reversal of 8734189669 is 9669814378.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8734189669 - 2³ = 8734189661 is a prime.

It is a super-2 number, since 2×8734189669² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8734189661) 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, 34386447 + ... + 34386700.

It is an arithmetic number, because the mean of its divisors is an integer number (2200740736).

Almost surely, 2^8734189669 is an apocalyptic number.

It is an amenable number.

8734189669 is a deficient number, since it is larger than the sum of its proper divisors (68773275).

8734189669 is a wasteful number, since it uses less digits than its factorization.

8734189669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68773274.

The product of its digits is 15676416, while the sum is 61.

The square root of 8734189669 is about 93456.8866857868. The cubic root of 8734189669 is about 2059.4007800135.

The spelling of 8734189669 in words is "eight billion, seven hundred thirty-four million, one hundred eighty-nine thousand, six hundred sixty-nine".