434388773427 has 16 divisors (see below), whose sum is σ = 661946380800. Its totient is φ = 248214419712.

The previous prime is 434388773419. The next prime is 434388773471. The reversal of 434388773427 is 724377883434.

It is not a de Polignac number, because 434388773427 - 2³ = 434388773419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (434388773827) 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, 405699 + ... + 1016547.

It is an arithmetic number, because the mean of its divisors is an integer number (41371648800).

Almost surely, 2^434388773427 is an apocalyptic number.

434388773427 is a deficient number, since it is larger than the sum of its proper divisors (227557607373).

434388773427 is a wasteful number, since it uses less digits than its factorization.

434388773427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644722.

The product of its digits is 75866112, while the sum is 60.

The spelling of 434388773427 in words is "four hundred thirty-four billion, three hundred eighty-eight million, seven hundred seventy-three thousand, four hundred twenty-seven".