2029191139 has 2 divisors, whose sum is σ = 2029191140. Its totient is φ = 2029191138.

The previous prime is 2029191133. The next prime is 2029191167. The reversal of 2029191139 is 9311919202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2029191139 - 2¹¹ = 2029189091 is a prime.

It is a super-2 number, since 2×2029191139² = 8235233357192234642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2029191098 and 2029191107.

It is not a weakly prime, because it can be changed into another prime (2029191133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1014595569 + 1014595570.

It is an arithmetic number, because the mean of its divisors is an integer number (1014595570).

Almost surely, 2^2029191139 is an apocalyptic number.

2029191139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2029191139 is an equidigital number, since it uses as much as digits as its factorization.

2029191139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 37.

The square root of 2029191139 is about 45046.5441404776. The cubic root of 2029191139 is about 1266.0212220470.

The spelling of 2029191139 in words is "two billion, twenty-nine million, one hundred ninety-one thousand, one hundred thirty-nine".