427354663243 has 16 divisors (see below), whose sum is σ = 458514144000. Its totient is φ = 397093175712.

The previous prime is 427354663193. The next prime is 427354663247. The reversal of 427354663243 is 342366453724.

It is a cyclic number.

It is not a de Polignac number, because 427354663243 - 2¹³ = 427354655051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427354663247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57921 + ... + 926317.

It is an arithmetic number, because the mean of its divisors is an integer number (28657134000).

Almost surely, 2^427354663243 is an apocalyptic number.

427354663243 is a deficient number, since it is larger than the sum of its proper divisors (31159480757).

427354663243 is a wasteful number, since it uses less digits than its factorization.

427354663243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868914.

The product of its digits is 8709120, while the sum is 49.

The spelling of 427354663243 in words is "four hundred twenty-seven billion, three hundred fifty-four million, six hundred sixty-three thousand, two hundred forty-three".