2039421269 has 6 divisors (see below), whose sum is σ = 2166444354. Its totient is φ = 1919455040.

The previous prime is 2039421233. The next prime is 2039421277. The reversal of 2039421269 is 9621249302.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 584914225 + 1454507044 = 24185^2 + 38138^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2039421269 is a prime.

It is a super-2 number, since 2×2039421269² = 8318478224899140722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2039421229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3528122 + ... + 3528699.

It is an arithmetic number, because the mean of its divisors is an integer number (361074059).

Almost surely, 2^2039421269 is an apocalyptic number.

It is an amenable number.

2039421269 is a deficient number, since it is larger than the sum of its proper divisors (127023085).

2039421269 is an equidigital number, since it uses as much as digits as its factorization.

2039421269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7056855 (or 7056838 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 2039421269 is about 45159.9520482473. The cubic root of 2039421269 is about 1268.1451976501.

The spelling of 2039421269 in words is "two billion, thirty-nine million, four hundred twenty-one thousand, two hundred sixty-nine".