65628680745 has 8 divisors (see below), whose sum is σ = 105005889216. Its totient is φ = 35001963056.

The previous prime is 65628680731. The next prime is 65628680797. The reversal of 65628680745 is 54708682656.

65628680745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 65628680745 - 2¹³ = 65628672553 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2187622677 + ... + 2187622706.

It is an arithmetic number, because the mean of its divisors is an integer number (13125736152).

Almost surely, 2^65628680745 is an apocalyptic number.

It is an amenable number.

65628680745 is a deficient number, since it is larger than the sum of its proper divisors (39377208471).

65628680745 is a wasteful number, since it uses less digits than its factorization.

65628680745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4375245391.

The product of its (nonzero) digits is 19353600, while the sum is 57.

The spelling of 65628680745 in words is "sixty-five billion, six hundred twenty-eight million, six hundred eighty thousand, seven hundred forty-five".