1936666973 has 2 divisors, whose sum is σ = 1936666974. Its totient is φ = 1936666972.

The previous prime is 1936666957. The next prime is 1936666997. The reversal of 1936666973 is 3796666391.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1773925924 + 162741049 = 42118^2 + 12757^2 .

It is a cyclic number.

It is not a de Polignac number, because 1936666973 - 2⁴ = 1936666957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1936666373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 968333486 + 968333487.

It is an arithmetic number, because the mean of its divisors is an integer number (968333487).

Almost surely, 2^1936666973 is an apocalyptic number.

It is an amenable number.

1936666973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1936666973 is an equidigital number, since it uses as much as digits as its factorization.

1936666973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6613488, while the sum is 56.

The square root of 1936666973 is about 44007.5785859663. The cubic root of 1936666973 is about 1246.4790458575.

The spelling of 1936666973 in words is "one billion, nine hundred thirty-six million, six hundred sixty-six thousand, nine hundred seventy-three".