6561350097 has 8 divisors (see below), whose sum is σ = 8749520640. Its totient is φ = 4373706480.

The previous prime is 6561350077. The next prime is 6561350101. The reversal of 6561350097 is 7900531656.

It is a happy number.

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

It is not a de Polignac number, because 6561350097 - 2⁸ = 6561349841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6561350017) 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, 101697 + ... + 153182.

It is an arithmetic number, because the mean of its divisors is an integer number (1093690080).

Almost surely, 2^6561350097 is an apocalyptic number.

It is an amenable number.

6561350097 is a deficient number, since it is larger than the sum of its proper divisors (2188170543).

6561350097 is a wasteful number, since it uses less digits than its factorization.

6561350097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263463.

The product of its (nonzero) digits is 170100, while the sum is 42.

The square root of 6561350097 is about 81002.1610637642. The cubic root of 6561350097 is about 1872.1087383303.

The spelling of 6561350097 in words is "six billion, five hundred sixty-one million, three hundred fifty thousand, ninety-seven".