6561350098 has 8 divisors (see below), whose sum is σ = 9919521792. Its totient is φ = 3254842836.

The previous prime is 6561350077. The next prime is 6561350101. The reversal of 6561350098 is 8900531656.

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, 12915790 + ... + 12916297.

It is an arithmetic number, because the mean of its divisors is an integer number (1239940224).

Almost surely, 2^6561350098 is an apocalyptic number.

6561350098 is a deficient number, since it is larger than the sum of its proper divisors (3358171694).

6561350098 is a wasteful number, since it uses less digits than its factorization.

6561350098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25832216.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 6561350098 is about 81002.1610699369. The cubic root of 6561350098 is about 1872.1087384254.

The spelling of 6561350098 in words is "six billion, five hundred sixty-one million, three hundred fifty thousand, ninety-eight".