434784473858 has 32 divisors (see below), whose sum is σ = 746450743680. Its totient is φ = 186059905920.

The previous prime is 434784473807. The next prime is 434784473873. The reversal of 434784473858 is 858374487434.

It is a happy number.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 434784473794 and 434784473803.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36874628 + ... + 36886416.

It is an arithmetic number, because the mean of its divisors is an integer number (23326585740).

Almost surely, 2^434784473858 is an apocalyptic number.

434784473858 is a deficient number, since it is larger than the sum of its proper divisors (311666269822).

434784473858 is a wasteful number, since it uses less digits than its factorization.

434784473858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15482.

The product of its digits is 289013760, while the sum is 65.

The spelling of 434784473858 in words is "four hundred thirty-four billion, seven hundred eighty-four million, four hundred seventy-three thousand, eight hundred fifty-eight".