10209823973 has 2 divisors, whose sum is σ = 10209823974. Its totient is φ = 10209823972.

The previous prime is 10209823961. The next prime is 10209823999. The reversal of 10209823973 is 37932890201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9706584484 + 503239489 = 98522^2 + 22433^2 .

It is a cyclic number.

It is not a de Polignac number, because 10209823973 - 2¹⁶ = 10209758437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10209825973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5104911986 + 5104911987.

It is an arithmetic number, because the mean of its divisors is an integer number (5104911987).

Almost surely, 2^10209823973 is an apocalyptic number.

It is an amenable number.

10209823973 is a deficient number, since it is larger than the sum of its proper divisors (1).

10209823973 is an equidigital number, since it uses as much as digits as its factorization.

10209823973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 10209823973 in words is "ten billion, two hundred nine million, eight hundred twenty-three thousand, nine hundred seventy-three".