434235656773 has 4 divisors (see below), whose sum is σ = 449209300140. Its totient is φ = 419262013408.

The previous prime is 434235656711. The next prime is 434235656797. The reversal of 434235656773 is 377656532434.

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

It can be written as a sum of positive squares in 2 ways, for example, as 226269559684 + 207966097089 = 475678^2 + 456033^2 .

It is a cyclic number.

It is not a de Polignac number, because 434235656773 - 2¹⁷ = 434235525701 is a prime.

It is a super-2 number, since 2×434235656773² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434235657773) 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, 7486821640 + ... + 7486821697.

It is an arithmetic number, because the mean of its divisors is an integer number (112302325035).

Almost surely, 2^434235656773 is an apocalyptic number.

It is an amenable number.

434235656773 is a deficient number, since it is larger than the sum of its proper divisors (14973643367).

434235656773 is a wasteful number, since it uses less digits than its factorization.

434235656773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14973643366.

The product of its digits is 38102400, while the sum is 55.

The spelling of 434235656773 in words is "four hundred thirty-four billion, two hundred thirty-five million, six hundred fifty-six thousand, seven hundred seventy-three".