9973768901 has 4 divisors (see below), whose sum is σ = 9987050304. Its totient is φ = 9960487500.

The previous prime is 9973768897. The next prime is 9973768919. The reversal of 9973768901 is 1098673799.

9973768901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 9973768901 - 2² = 9973768897 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 (9973762901) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6639575 + ... + 6641076.

It is an arithmetic number, because the mean of its divisors is an integer number (2496762576).

Almost surely, 2^9973768901 is an apocalyptic number.

It is an amenable number.

9973768901 is a deficient number, since it is larger than the sum of its proper divisors (13281403).

9973768901 is a wasteful number, since it uses less digits than its factorization.

9973768901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13281402.

The product of its (nonzero) digits is 5143824, while the sum is 59.

The square root of 9973768901 is about 99868.7583831901. The cubic root of 9973768901 is about 2152.5492675247.

The spelling of 9973768901 in words is "nine billion, nine hundred seventy-three million, seven hundred sixty-eight thousand, nine hundred one".