1996001269 has 2 divisors, whose sum is σ = 1996001270. Its totient is φ = 1996001268.

The previous prime is 1996001261. The next prime is 1996001303. The reversal of 1996001269 is 9621006991.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1704616369 + 291384900 = 41287^2 + 17070^2 .

It is a cyclic number.

It is not a de Polignac number, because 1996001269 - 2³ = 1996001261 is a prime.

It is a super-3 number, since 3×1996001269³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1996001261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 998000634 + 998000635.

It is an arithmetic number, because the mean of its divisors is an integer number (998000635).

Almost surely, 2^1996001269 is an apocalyptic number.

It is an amenable number.

1996001269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1996001269 is an equidigital number, since it uses as much as digits as its factorization.

1996001269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 43.

The square root of 1996001269 is about 44676.6300094356. The cubic root of 1996001269 is about 1259.0808087695.

The spelling of 1996001269 in words is "one billion, nine hundred ninety-six million, one thousand, two hundred sixty-nine".