65148066454277 has 4 divisors (see below), whose sum is σ = 65148113730636. Its totient is φ = 65148019177920.

The previous prime is 65148066454249. The next prime is 65148066454279. The reversal of 65148066454277 is 77245466084156.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56067058986436 + 9081007467841 = 7487794^2 + 3013471^2 .

It is a cyclic number.

It is not a de Polignac number, because 65148066454277 - 2²⁰ = 65148065405701 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 (65148066454279) 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, 21507098 + ... + 24348539.

It is an arithmetic number, because the mean of its divisors is an integer number (16287028432659).

Almost surely, 2^{65148066454277} is an apocalyptic number.

It is an amenable number.

65148066454277 is a deficient number, since it is larger than the sum of its proper divisors (47276359).

65148066454277 is a wasteful number, since it uses less digits than its factorization.

65148066454277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47276358.

The product of its (nonzero) digits is 270950400, while the sum is 65.

The spelling of 65148066454277 in words is "sixty-five trillion, one hundred forty-eight billion, sixty-six million, four hundred fifty-four thousand, two hundred seventy-seven".