6349698678 has 16 divisors (see below), whose sum is σ = 12702303936. Its totient is φ = 2116081800.

The previous prime is 6349698661. The next prime is 6349698689. The reversal of 6349698678 is 8768969436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92176 + ... + 145587.

It is an arithmetic number, because the mean of its divisors is an integer number (793893996).

Almost surely, 2^6349698678 is an apocalyptic number.

6349698678 is an abundant number, since it is smaller than the sum of its proper divisors (6352605258).

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

6349698678 is a wasteful number, since it uses less digits than its factorization.

6349698678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242219.

The product of its digits is 94058496, while the sum is 66.

The square root of 6349698678 is about 79684.9965677354. The cubic root of 6349698678 is about 1851.7586080413.

The spelling of 6349698678 in words is "six billion, three hundred forty-nine million, six hundred ninety-eight thousand, six hundred seventy-eight".