2139458203 has 2 divisors, whose sum is σ = 2139458204. Its totient is φ = 2139458202.

The previous prime is 2139458173. The next prime is 2139458221. The reversal of 2139458203 is 3028549312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2139458203 - 2¹⁷ = 2139327131 is a prime.

It is not a weakly prime, because it can be changed into another prime (2139458263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1069729101 + 1069729102.

It is an arithmetic number, because the mean of its divisors is an integer number (1069729102).

Almost surely, 2^2139458203 is an apocalyptic number.

2139458203 is a deficient number, since it is larger than the sum of its proper divisors (1).

2139458203 is an equidigital number, since it uses as much as digits as its factorization.

2139458203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 2139458203 is about 46254.2776724488. The cubic root of 2139458203 is about 1288.5499808021.

It can be divided in two parts, 21394 and 58203, that added together give a palindrome (79597).

The spelling of 2139458203 in words is "two billion, one hundred thirty-nine million, four hundred fifty-eight thousand, two hundred three".