2138772803 has 2 divisors, whose sum is σ = 2138772804. Its totient is φ = 2138772802.

The previous prime is 2138772793. The next prime is 2138772847. The reversal of 2138772803 is 3082778312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2138772803 - 2⁴ = 2138772787 is a prime.

It is not a weakly prime, because it can be changed into another prime (2138772893) 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, 1069386401 + 1069386402.

It is an arithmetic number, because the mean of its divisors is an integer number (1069386402).

Almost surely, 2^2138772803 is an apocalyptic number.

2138772803 is a deficient number, since it is larger than the sum of its proper divisors (1).

2138772803 is an equidigital number, since it uses as much as digits as its factorization.

2138772803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 2138772803 is about 46246.8680344950. The cubic root of 2138772803 is about 1288.4123655118.

The spelling of 2138772803 in words is "two billion, one hundred thirty-eight million, seven hundred seventy-two thousand, eight hundred three".