4135271989 has 2 divisors, whose sum is σ = 4135271990. Its totient is φ = 4135271988.

The previous prime is 4135271983. The next prime is 4135272047. The reversal of 4135271989 is 9891725314.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2113240900 + 2022031089 = 45970^2 + 44967^2 .

It is a cyclic number.

It is not a de Polignac number, because 4135271989 - 2¹⁵ = 4135239221 is a prime.

It is a super-2 number, since 2×4135271989² = 34200948846016032242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4135271983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2067635994 + 2067635995.

It is an arithmetic number, because the mean of its divisors is an integer number (2067635995).

Almost surely, 2^4135271989 is an apocalyptic number.

It is an amenable number.

4135271989 is a deficient number, since it is larger than the sum of its proper divisors (1).

4135271989 is an equidigital number, since it uses as much as digits as its factorization.

4135271989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 49.

The square root of 4135271989 is about 64306.0804978814. The cubic root of 4135271989 is about 1605.0972840493.

The spelling of 4135271989 in words is "four billion, one hundred thirty-five million, two hundred seventy-one thousand, nine hundred eighty-nine".