4985939423 has 2 divisors, whose sum is σ = 4985939424. Its totient is φ = 4985939422.

The previous prime is 4985939417. The next prime is 4985939489. The reversal of 4985939423 is 3249395894.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4985939423 - 2²⁰ = 4984890847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4985939723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2492969711 + 2492969712.

It is an arithmetic number, because the mean of its divisors is an integer number (2492969712).

Almost surely, 2^4985939423 is an apocalyptic number.

4985939423 is a deficient number, since it is larger than the sum of its proper divisors (1).

4985939423 is an equidigital number, since it uses as much as digits as its factorization.

4985939423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8398080, while the sum is 56.

The square root of 4985939423 is about 70611.1848293172. The cubic root of 4985939423 is about 1708.3715585963.

The spelling of 4985939423 in words is "four billion, nine hundred eighty-five million, nine hundred thirty-nine thousand, four hundred twenty-three".