2039706469 has 2 divisors, whose sum is σ = 2039706470. Its totient is φ = 2039706468.

The previous prime is 2039706467. The next prime is 2039706509. The reversal of 2039706469 is 9646079302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1381014244 + 658692225 = 37162^2 + 25665^2 .

It is a cyclic number.

It is not a de Polignac number, because 2039706469 - 2¹ = 2039706467 is a prime.

It is a super-2 number, since 2×2039706469² = 8320804959360895922, which contains 22 as substring.

Together with 2039706467, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2039706467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1019853234 + 1019853235.

It is an arithmetic number, because the mean of its divisors is an integer number (1019853235).

Almost surely, 2^2039706469 is an apocalyptic number.

It is an amenable number.

2039706469 is a deficient number, since it is larger than the sum of its proper divisors (1).

2039706469 is an equidigital number, since it uses as much as digits as its factorization.

2039706469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 46.

The square root of 2039706469 is about 45163.1096028606. The cubic root of 2039706469 is about 1268.2043088888.

The spelling of 2039706469 in words is "two billion, thirty-nine million, seven hundred six thousand, four hundred sixty-nine".