2139519433 has 2 divisors, whose sum is σ = 2139519434. Its totient is φ = 2139519432.

The previous prime is 2139519427. The next prime is 2139519439. The reversal of 2139519433 is 3349159312.

It is a happy number.

It is the 18884-th star number.

It is a balanced prime because it is at equal distance from previous prime (2139519427) and next prime (2139519439).

It can be written as a sum of positive squares in only one way, i.e., 2131945929 + 7573504 = 46173^2 + 2752^2 .

It is a cyclic number.

It is not a de Polignac number, because 2139519433 - 2⁵ = 2139519401 is a prime.

It is not a weakly prime, because it can be changed into another prime (2139519439) 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, 1069759716 + 1069759717.

It is an arithmetic number, because the mean of its divisors is an integer number (1069759717).

Almost surely, 2^2139519433 is an apocalyptic number.

It is an amenable number.

2139519433 is a deficient number, since it is larger than the sum of its proper divisors (1).

2139519433 is an equidigital number, since it uses as much as digits as its factorization.

2139519433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87480, while the sum is 40.

The square root of 2139519433 is about 46254.9395524413. The cubic root of 2139519433 is about 1288.5622731919.

The spelling of 2139519433 in words is "two billion, one hundred thirty-nine million, five hundred nineteen thousand, four hundred thirty-three".