434425454887 has 4 divisors (see below), whose sum is σ = 434435125896. Its totient is φ = 434415783880.

The previous prime is 434425454867. The next prime is 434425454963. The reversal of 434425454887 is 788454524434.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 434425454887 - 2³¹ = 432277971239 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434425454807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4767808 + ... + 4858069.

It is an arithmetic number, because the mean of its divisors is an integer number (108608781474).

Almost surely, 2^434425454887 is an apocalyptic number.

434425454887 is a deficient number, since it is larger than the sum of its proper divisors (9671009).

434425454887 is an equidigital number, since it uses as much as digits as its factorization.

434425454887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9671008.

The product of its digits is 68812800, while the sum is 58.

The spelling of 434425454887 in words is "four hundred thirty-four billion, four hundred twenty-five million, four hundred fifty-four thousand, eight hundred eighty-seven".