2808143834 has 8 divisors (see below), whose sum is σ = 4357464660. Its totient is φ = 1355655616.

The previous prime is 2808143813. The next prime is 2808143851. The reversal of 2808143834 is 4383418082.

It can be written as a sum of positive squares in 2 ways, for example, as 2788368025 + 19775809 = 52805^2 + 4447^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2808143791 and 2808143800.

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 in 3 ways as a sum of consecutive naturals, for example, 24208079 + ... + 24208194.

Almost surely, 2^2808143834 is an apocalyptic number.

2808143834 is a deficient number, since it is larger than the sum of its proper divisors (1549320826).

2808143834 is a wasteful number, since it uses less digits than its factorization.

2808143834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48416304.

The product of its (nonzero) digits is 147456, while the sum is 41.

The square root of 2808143834 is about 52991.9223467124. The cubic root of 2808143834 is about 1410.8249006737.

The spelling of 2808143834 in words is "two billion, eight hundred eight million, one hundred forty-three thousand, eight hundred thirty-four".