9725680180433 has 4 divisors (see below), whose sum is σ = 11115063063360. Its totient is φ = 8336297297508.

The previous prime is 9725680180423. The next prime is 9725680180453. The reversal of 9725680180433 is 3340810865279.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9725680180433 - 2¹² = 9725680176337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9725680180423) 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, 694691441453 + ... + 694691441466.

It is an arithmetic number, because the mean of its divisors is an integer number (2778765765840).

It is a 1-persistent number, because it is pandigital, but 2⋅9725680180433 = 19451360360866 is not.

Almost surely, 2^{9725680180433} is an apocalyptic number.

It is an amenable number.

9725680180433 is a deficient number, since it is larger than the sum of its proper divisors (1389382882927).

9725680180433 is a wasteful number, since it uses less digits than its factorization.

9725680180433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389382882926.

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 9725680180433 in words is "nine trillion, seven hundred twenty-five billion, six hundred eighty million, one hundred eighty thousand, four hundred thirty-three".