4268531909 has 2 divisors, whose sum is σ = 4268531910. Its totient is φ = 4268531908.

The previous prime is 4268531863. The next prime is 4268531951. The reversal of 4268531909 is 9091358624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4036060900 + 232471009 = 63530^2 + 15247^2 .

It is a cyclic number.

It is not a de Polignac number, because 4268531909 - 2⁸ = 4268531653 is a prime.

It is a super-3 number, since 3×4268531909³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4268531809) 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 as a sum of consecutive naturals, namely, 2134265954 + 2134265955.

It is an arithmetic number, because the mean of its divisors is an integer number (2134265955).

Almost surely, 2^4268531909 is an apocalyptic number.

It is an amenable number.

4268531909 is a deficient number, since it is larger than the sum of its proper divisors (1).

4268531909 is an equidigital number, since it uses as much as digits as its factorization.

4268531909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 4268531909 is about 65334.0027015030. The cubic root of 4268531909 is about 1622.1568473166.

The spelling of 4268531909 in words is "four billion, two hundred sixty-eight million, five hundred thirty-one thousand, nine hundred nine".