2938778153 has 2 divisors, whose sum is σ = 2938778154. Its totient is φ = 2938778152.

The previous prime is 2938778147. The next prime is 2938778173. The reversal of 2938778153 is 3518778392.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2041955344 + 896822809 = 45188^2 + 29947^2 .

It is a cyclic number.

It is not a de Polignac number, because 2938778153 - 2²⁰ = 2937729577 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2938778095 and 2938778104.

It is not a weakly prime, because it can be changed into another prime (2938778123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1469389076 + 1469389077.

It is an arithmetic number, because the mean of its divisors is an integer number (1469389077).

Almost surely, 2^2938778153 is an apocalyptic number.

It is an amenable number.

2938778153 is a deficient number, since it is larger than the sum of its proper divisors (1).

2938778153 is an equidigital number, since it uses as much as digits as its factorization.

2938778153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 53.

The square root of 2938778153 is about 54210.4985496352. The cubic root of 2938778153 is about 1432.3712679309.

The spelling of 2938778153 in words is "two billion, nine hundred thirty-eight million, seven hundred seventy-eight thousand, one hundred fifty-three".