65689014975376 has 45 divisors (see below), whose sum is σ = 137816631981009. Its totient is φ = 30317812394688.

The previous prime is 65689014975341. The next prime is 65689014975421. The reversal of 65689014975376 is 67357941098656.

The square root of 65689014975376 is 8104876.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 9717309907600 + 55971705067776 = 3117260^2 + 7481424^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 421375621 + ... + 421531483.

Almost surely, 2^{65689014975376} is an apocalyptic number.

65689014975376 is the 8104876-th square number.

It is an amenable number.

65689014975376 is an abundant number, since it is smaller than the sum of its proper divisors (72127617005633).

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

65689014975376 is an frugal number, since it uses more digits than its factorization.

65689014975376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311760 (or 155878 counting only the distinct ones).

The product of its (nonzero) digits is 2057529600, while the sum is 76.

The spelling of 65689014975376 in words is "sixty-five trillion, six hundred eighty-nine billion, fourteen million, nine hundred seventy-five thousand, three hundred seventy-six".