2942783117 has 2 divisors, whose sum is σ = 2942783118. Its totient is φ = 2942783116.

The previous prime is 2942783087. The next prime is 2942783143. The reversal of 2942783117 is 7113872492.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2051999401 + 890783716 = 45299^2 + 29846^2 .

It is a cyclic number.

It is not a de Polignac number, because 2942783117 - 2¹⁴ = 2942766733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2942783017) 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, 1471391558 + 1471391559.

It is an arithmetic number, because the mean of its divisors is an integer number (1471391559).

Almost surely, 2^2942783117 is an apocalyptic number.

It is an amenable number.

2942783117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2942783117 is an equidigital number, since it uses as much as digits as its factorization.

2942783117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 44.

The square root of 2942783117 is about 54247.4249803620. The cubic root of 2942783117 is about 1433.0216506289.

The spelling of 2942783117 in words is "two billion, nine hundred forty-two million, seven hundred eighty-three thousand, one hundred seventeen".