973640735183 has 2 divisors, whose sum is σ = 973640735184. Its totient is φ = 973640735182.

The previous prime is 973640735173. The next prime is 973640735267. The reversal of 973640735183 is 381537046379.

973640735183 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-973640735183 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (973640735153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486820367591 + 486820367592.

It is an arithmetic number, because the mean of its divisors is an integer number (486820367592).

Almost surely, 2^973640735183 is an apocalyptic number.

973640735183 is a deficient number, since it is larger than the sum of its proper divisors (1).

973640735183 is an equidigital number, since it uses as much as digits as its factorization.

973640735183 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11430720, while the sum is 56.

The spelling of 973640735183 in words is "nine hundred seventy-three billion, six hundred forty million, seven hundred thirty-five thousand, one hundred eighty-three".