65745209604 has 24 divisors (see below), whose sum is σ = 153438616800. Its totient is φ = 21910337344.

The previous prime is 65745209489. The next prime is 65745209611. The reversal of 65745209604 is 40690254756.

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, 533454 + ... + 645029.

It is an arithmetic number, because the mean of its divisors is an integer number (6393275700).

Almost surely, 2^65745209604 is an apocalyptic number.

It is an amenable number.

65745209604 is an abundant number, since it is smaller than the sum of its proper divisors (87693407196).

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

65745209604 is a wasteful number, since it uses less digits than its factorization.

65745209604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183139 (or 1183137 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 65745209604 in words is "sixty-five billion, seven hundred forty-five million, two hundred nine thousand, six hundred four".