65404454021427 has 8 divisors (see below), whose sum is σ = 87307695920016. Its totient is φ = 43552090735232.

The previous prime is 65404454021383. The next prime is 65404454021437. The reversal of 65404454021427 is 72412045440456.

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 65404454021427 - 2¹⁴ = 65404454005043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65404454021437) 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, 12719650098 + ... + 12719655239.

It is an arithmetic number, because the mean of its divisors is an integer number (10913461990002).

Almost surely, 2^{65404454021427} is an apocalyptic number.

65404454021427 is a deficient number, since it is larger than the sum of its proper divisors (21903241898589).

65404454021427 is a wasteful number, since it uses less digits than its factorization.

65404454021427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25439306197.

The product of its (nonzero) digits is 4300800, while the sum is 48.

The spelling of 65404454021427 in words is "sixty-five trillion, four hundred four billion, four hundred fifty-four million, twenty-one thousand, four hundred twenty-seven".