434798807021 has 16 divisors (see below), whose sum is σ = 463605445440. Its totient is φ = 406354440960.

The previous prime is 434798807017. The next prime is 434798807083. The reversal of 434798807021 is 120708897434.

It is a cyclic number.

It is not a de Polignac number, because 434798807021 - 2² = 434798807017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434798807621) 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, 4162766 + ... + 4265936.

It is an arithmetic number, because the mean of its divisors is an integer number (28975340340).

Almost surely, 2^434798807021 is an apocalyptic number.

It is an amenable number.

434798807021 is a deficient number, since it is larger than the sum of its proper divisors (28806638419).

434798807021 is a wasteful number, since it uses less digits than its factorization.

434798807021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104924.

The product of its (nonzero) digits is 2709504, while the sum is 53.

The spelling of 434798807021 in words is "four hundred thirty-four billion, seven hundred ninety-eight million, eight hundred seven thousand, twenty-one".