8534429849 has 4 divisors (see below), whose sum is σ = 9310287120. Its totient is φ = 7758572580.

The previous prime is 8534429801. The next prime is 8534429851. The reversal of 8534429849 is 9489244358.

It is a happy number.

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 not a de Polignac number, because 8534429849 - 2⁸ = 8534429593 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8534429794 and 8534429803.

It is not an unprimeable number, because it can be changed into a prime (8534429149) 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, 387928619 + ... + 387928640.

It is an arithmetic number, because the mean of its divisors is an integer number (2327571780).

Almost surely, 2^8534429849 is an apocalyptic number.

It is an amenable number.

8534429849 is a deficient number, since it is larger than the sum of its proper divisors (775857271).

8534429849 is a wasteful number, since it uses less digits than its factorization.

8534429849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775857270.

The product of its digits is 9953280, while the sum is 56.

The square root of 8534429849 is about 92381.9779448351. The cubic root of 8534429849 is about 2043.5793441234.

The spelling of 8534429849 in words is "eight billion, five hundred thirty-four million, four hundred twenty-nine thousand, eight hundred forty-nine".