6681503834 has 8 divisors (see below), whose sum is σ = 10023304500. Its totient is φ = 3340402336.

The previous prime is 6681503809. The next prime is 6681503849. The reversal of 6681503834 is 4383051866.

It can be written as a sum of positive squares in 2 ways, for example, as 6652849225 + 28654609 = 81565^2 + 5353^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150209 + ... + 189540.

Almost surely, 2^6681503834 is an apocalyptic number.

6681503834 is a deficient number, since it is larger than the sum of its proper divisors (3341800666).

6681503834 is a wasteful number, since it uses less digits than its factorization.

6681503834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349584.

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 6681503834 is about 81740.4663187090. The cubic root of 6681503834 is about 1883.4672541380.

The spelling of 6681503834 in words is "six billion, six hundred eighty-one million, five hundred three thousand, eight hundred thirty-four".