6494641698 has 32 divisors (see below), whose sum is σ = 14021424000. Its totient is φ = 1999348736.

The previous prime is 6494641691. The next prime is 6494641711. The reversal of 6494641698 is 8961464946.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6494641691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 807423 + ... + 815426.

It is an arithmetic number, because the mean of its divisors is an integer number (438169500).

Almost surely, 2^6494641698 is an apocalyptic number.

6494641698 is an abundant number, since it is smaller than the sum of its proper divisors (7526782302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6494641698 is a wasteful number, since it uses less digits than its factorization.

6494641698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622906.

The product of its digits is 8957952, while the sum is 57.

The square root of 6494641698 is about 80589.3398533578. The cubic root of 6494641698 is about 1865.7426189166.

The spelling of 6494641698 in words is "six billion, four hundred ninety-four million, six hundred forty-one thousand, six hundred ninety-eight".