2029680239 has 2 divisors, whose sum is σ = 2029680240. Its totient is φ = 2029680238.

The previous prime is 2029680223. The next prime is 2029680293. The reversal of 2029680239 is 9320869202.

Together with next prime (2029680293) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2029680239 - 2⁴ = 2029680223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2029680196 and 2029680205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2029688239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1014840119 + 1014840120.

It is an arithmetic number, because the mean of its divisors is an integer number (1014840120).

Almost surely, 2^2029680239 is an apocalyptic number.

2029680239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2029680239 is an equidigital number, since it uses as much as digits as its factorization.

2029680239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 2029680239 is about 45051.9726427157. The cubic root of 2029680239 is about 1266.1229310851.

The spelling of 2029680239 in words is "two billion, twenty-nine million, six hundred eighty thousand, two hundred thirty-nine".