8437134905 has 8 divisors (see below), whose sum is σ = 10180499784. Its totient is φ = 6712416000.

The previous prime is 8437134821. The next prime is 8437134911. The reversal of 8437134905 is 5094317348.

It can be written as a sum of positive squares in 4 ways, for example, as 11363641 + 8425771264 = 3371^2 + 91792^2 .

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

It is not a de Polignac number, because 8437134905 - 2⁸ = 8437134649 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4660496 + ... + 4662305.

It is an arithmetic number, because the mean of its divisors is an integer number (1272562473).

Almost surely, 2^8437134905 is an apocalyptic number.

It is an amenable number.

8437134905 is a deficient number, since it is larger than the sum of its proper divisors (1743364879).

8437134905 is a wasteful number, since it uses less digits than its factorization.

8437134905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9322987.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 8437134905 is about 91853.8780074091. The cubic root of 8437134905 is about 2035.7838484582.

The spelling of 8437134905 in words is "eight billion, four hundred thirty-seven million, one hundred thirty-four thousand, nine hundred five".