69040205873 has 2 divisors, whose sum is σ = 69040205874. Its totient is φ = 69040205872.

The previous prime is 69040205867. The next prime is 69040205891. The reversal of 69040205873 is 37850204096.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66950527504 + 2089678369 = 258748^2 + 45713^2 .

It is a cyclic number.

It is not a de Polignac number, because 69040205873 - 2³² = 64745238577 is a prime.

It is not a weakly prime, because it can be changed into another prime (69040295873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34520102936 + 34520102937.

It is an arithmetic number, because the mean of its divisors is an integer number (34520102937).

Almost surely, 2^69040205873 is an apocalyptic number.

It is an amenable number.

69040205873 is a deficient number, since it is larger than the sum of its proper divisors (1).

69040205873 is an equidigital number, since it uses as much as digits as its factorization.

69040205873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 69040205873 in words is "sixty-nine billion, forty million, two hundred five thousand, eight hundred seventy-three".