6506872894 has 8 divisors (see below), whose sum is σ = 9814234248. Its totient is φ = 3235461480.

The previous prime is 6506872877. The next prime is 6506872913. The reversal of 6506872894 is 4982786056.

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

It is a congruent number.

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, 8987032 + ... + 8987755.

It is an arithmetic number, because the mean of its divisors is an integer number (1226779281).

Almost surely, 2^6506872894 is an apocalyptic number.

6506872894 is a deficient number, since it is larger than the sum of its proper divisors (3307361354).

6506872894 is a wasteful number, since it uses less digits than its factorization.

6506872894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17974970.

The product of its (nonzero) digits is 5806080, while the sum is 55.

The square root of 6506872894 is about 80665.1901008111. The cubic root of 6506872894 is about 1866.9131198761.

The spelling of 6506872894 in words is "six billion, five hundred six million, eight hundred seventy-two thousand, eight hundred ninety-four".