427205964901 has 8 divisors (see below), whose sum is σ = 461151866880. Its totient is φ = 394541040432.

The previous prime is 427205964851. The next prime is 427205964917. The reversal of 427205964901 is 109469502724.

It is a happy number.

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 427205964901 - 2⁹ = 427205964389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427205964961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320243685 + ... + 320245018.

It is an arithmetic number, because the mean of its divisors is an integer number (57643983360).

Almost surely, 2^427205964901 is an apocalyptic number.

It is an amenable number.

427205964901 is a deficient number, since it is larger than the sum of its proper divisors (33945901979).

427205964901 is a wasteful number, since it uses less digits than its factorization.

427205964901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640488755.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 427205964901 in words is "four hundred twenty-seven billion, two hundred five million, nine hundred sixty-four thousand, nine hundred one".