65355330197 has 4 divisors (see below), whose sum is σ = 65364728640. Its totient is φ = 65345931756.

The previous prime is 65355330151. The next prime is 65355330203. The reversal of 65355330197 is 79103355356.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65355330197 - 2¹⁴ = 65355313813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65355330127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4688783 + ... + 4702700.

It is an arithmetic number, because the mean of its divisors is an integer number (16341182160).

Almost surely, 2^65355330197 is an apocalyptic number.

It is an amenable number.

65355330197 is a deficient number, since it is larger than the sum of its proper divisors (9398443).

65355330197 is an equidigital number, since it uses as much as digits as its factorization.

65355330197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9398442.

The product of its (nonzero) digits is 1275750, while the sum is 47.

The spelling of 65355330197 in words is "sixty-five billion, three hundred fifty-five million, three hundred thirty thousand, one hundred ninety-seven".