2923939493 has 2 divisors, whose sum is σ = 2923939494. Its totient is φ = 2923939492.

The previous prime is 2923939453. The next prime is 2923939549. The reversal of 2923939493 is 3949393292.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2706288484 + 217651009 = 52022^2 + 14753^2 .

It is a cyclic number.

It is not a de Polignac number, because 2923939493 - 2⁸ = 2923939237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2923939453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1461969746 + 1461969747.

It is an arithmetic number, because the mean of its divisors is an integer number (1461969747).

Almost surely, 2^2923939493 is an apocalyptic number.

It is an amenable number.

2923939493 is a deficient number, since it is larger than the sum of its proper divisors (1).

2923939493 is an equidigital number, since it uses as much as digits as its factorization.

2923939493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2834352, while the sum is 53.

The square root of 2923939493 is about 54073.4638524295. The cubic root of 2923939493 is about 1429.9563931150.

The spelling of 2923939493 in words is "two billion, nine hundred twenty-three million, nine hundred thirty-nine thousand, four hundred ninety-three".