2039642873 has 2 divisors, whose sum is σ = 2039642874. Its totient is φ = 2039642872.

The previous prime is 2039642863. The next prime is 2039642933. The reversal of 2039642873 is 3782469302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1343369104 + 696273769 = 36652^2 + 26387^2 .

It is a cyclic number.

It is not a de Polignac number, because 2039642873 - 2⁶ = 2039642809 is a prime.

It is not a weakly prime, because it can be changed into another prime (2039642863) 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, 1019821436 + 1019821437.

It is an arithmetic number, because the mean of its divisors is an integer number (1019821437).

Almost surely, 2^2039642873 is an apocalyptic number.

It is an amenable number.

2039642873 is a deficient number, since it is larger than the sum of its proper divisors (1).

2039642873 is an equidigital number, since it uses as much as digits as its factorization.

2039642873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 44.

The square root of 2039642873 is about 45162.4055271639. The cubic root of 2039642873 is about 1268.1911283061.

The spelling of 2039642873 in words is "two billion, thirty-nine million, six hundred forty-two thousand, eight hundred seventy-three".