65428684383700 has 72 divisors (see below), whose sum is σ = 154893972963744. Its totient is φ = 23791260720000.

The previous prime is 65428684383641. The next prime is 65428684383709. The reversal of 65428684383700 is 738348682456.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65428684383709) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25525675 + ... + 27971725.

It is an arithmetic number, because the mean of its divisors is an integer number (2151305180052).

Almost surely, 2^{65428684383700} is an apocalyptic number.

It is an amenable number.

65428684383700 is an abundant number, since it is smaller than the sum of its proper divisors (89465288580044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65428684383700 is a wasteful number, since it uses less digits than its factorization.

65428684383700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2470393 (or 2470386 counting only the distinct ones).

The product of its (nonzero) digits is 185794560, while the sum is 64.

The spelling of 65428684383700 in words is "sixty-five trillion, four hundred twenty-eight billion, six hundred eighty-four million, three hundred eighty-three thousand, seven hundred".