65725301447 has 16 divisors (see below), whose sum is σ = 71282033088. Its totient is φ = 60240499200.

The previous prime is 65725301399. The next prime is 65725301479. The reversal of 65725301447 is 74410352756.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 65725301447 - 2²⁶ = 65658192583 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65725301398 and 65725301407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65725301497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5280143 + ... + 5292575.

It is an arithmetic number, because the mean of its divisors is an integer number (4455127068).

Almost surely, 2^65725301447 is an apocalyptic number.

65725301447 is a deficient number, since it is larger than the sum of its proper divisors (5556731641).

65725301447 is a wasteful number, since it uses less digits than its factorization.

65725301447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15290.

The product of its (nonzero) digits is 705600, while the sum is 44.

The spelling of 65725301447 in words is "sixty-five billion, seven hundred twenty-five million, three hundred one thousand, four hundred forty-seven".