6498978342 has 16 divisors (see below), whose sum is σ = 13052344320. Its totient is φ = 2157261512.

The previous prime is 6498978341. The next prime is 6498978401. The reversal of 6498978342 is 2438798946.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6498978341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2264598 + ... + 2267465.

It is an arithmetic number, because the mean of its divisors is an integer number (815771520).

Almost surely, 2^6498978342 is an apocalyptic number.

6498978342 is an abundant number, since it is smaller than the sum of its proper divisors (6553365978).

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

6498978342 is a wasteful number, since it uses less digits than its factorization.

6498978342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4532307.

The product of its digits is 20901888, while the sum is 60.

The square root of 6498978342 is about 80616.2411800501. The cubic root of 6498978342 is about 1866.1577950832.

The spelling of 6498978342 in words is "six billion, four hundred ninety-eight million, nine hundred seventy-eight thousand, three hundred forty-two".