427443765073 has 16 divisors (see below), whose sum is σ = 484581787200. Its totient is φ = 373773718080.

The previous prime is 427443765031. The next prime is 427443765137. The reversal of 427443765073 is 370567344724.

It is a cyclic number.

It is not a de Polignac number, because 427443765073 - 2²¹ = 427441667921 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 427443765073.

It is not an unprimeable number, because it can be changed into a prime (427443765013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4812258 + ... + 4900276.

It is an arithmetic number, because the mean of its divisors is an integer number (30286361700).

Almost surely, 2^427443765073 is an apocalyptic number.

It is an amenable number.

427443765073 is a deficient number, since it is larger than the sum of its proper divisors (57138022127).

427443765073 is a wasteful number, since it uses less digits than its factorization.

427443765073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107712.

The product of its (nonzero) digits is 11854080, while the sum is 52.

The spelling of 427443765073 in words is "four hundred twenty-seven billion, four hundred forty-three million, seven hundred sixty-five thousand, seventy-three".