8540814946 has 4 divisors (see below), whose sum is σ = 12811222422. Its totient is φ = 4270407472.

The previous prime is 8540814923. The next prime is 8540814967. The reversal of 8540814946 is 6494180458.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6191958721 + 2348856225 = 78689^2 + 48465^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8540814946.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2135203735 + ... + 2135203738.

Almost surely, 2^8540814946 is an apocalyptic number.

8540814946 is a deficient number, since it is larger than the sum of its proper divisors (4270407476).

8540814946 is a wasteful number, since it uses less digits than its factorization.

8540814946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4270407475.

The product of its (nonzero) digits is 1105920, while the sum is 49.

The square root of 8540814946 is about 92416.5296145662. The cubic root of 8540814946 is about 2044.0888567612.

The spelling of 8540814946 in words is "eight billion, five hundred forty million, eight hundred fourteen thousand, nine hundred forty-six".