65628360073 has 8 divisors (see below), whose sum is σ = 69687966600. Its totient is φ = 61590877440.

The previous prime is 65628360067. The next prime is 65628360079. The reversal of 65628360073 is 37006382656.

65628360073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (65628360067) and next prime (65628360079).

It can be written as a sum of positive squares in 4 ways, for example, as 31674032784 + 33954327289 = 177972^2 + 184267^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 65628360073 - 2⁵ = 65628360041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65628360079) 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, 5524858 + ... + 5536723.

It is an arithmetic number, because the mean of its divisors is an integer number (8710995825).

Almost surely, 2^65628360073 is an apocalyptic number.

It is an amenable number.

65628360073 is a deficient number, since it is larger than the sum of its proper divisors (4059606527).

65628360073 is a wasteful number, since it uses less digits than its factorization.

65628360073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11061947.

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 65628360073 in words is "sixty-five billion, six hundred twenty-eight million, three hundred sixty thousand, seventy-three".