973686893 has 2 divisors, whose sum is σ = 973686894. Its totient is φ = 973686892.

The previous prime is 973686887. The next prime is 973686937. The reversal of 973686893 is 398686379.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 735385924 + 238300969 = 27118^2 + 15437^2 .

It is a cyclic number.

It is not a de Polignac number, because 973686893 - 2¹⁶ = 973621357 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (973686823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486843446 + 486843447.

It is an arithmetic number, because the mean of its divisors is an integer number (486843447).

Almost surely, 2^973686893 is an apocalyptic number.

It is an amenable number.

973686893 is a deficient number, since it is larger than the sum of its proper divisors (1).

973686893 is an equidigital number, since it uses as much as digits as its factorization.

973686893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11757312, while the sum is 59.

The square root of 973686893 is about 31203.9563677429. The cubic root of 973686893 is about 991.1508885415.

The spelling of 973686893 in words is "nine hundred seventy-three million, six hundred eighty-six thousand, eight hundred ninety-three".