65342148049 has 4 divisors (see below), whose sum is σ = 65373459264. Its totient is φ = 65310836836.

The previous prime is 65342148041. The next prime is 65342148119. The reversal of 65342148049 is 94084124356.

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 65342148049 - 2³ = 65342148041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65342148041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15652477 + ... + 15656650.

It is an arithmetic number, because the mean of its divisors is an integer number (16343364816).

Almost surely, 2^65342148049 is an apocalyptic number.

It is an amenable number.

65342148049 is a deficient number, since it is larger than the sum of its proper divisors (31311215).

65342148049 is a wasteful number, since it uses less digits than its factorization.

65342148049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31311214.

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 65342148049 in words is "sixty-five billion, three hundred forty-two million, one hundred forty-eight thousand, forty-nine".