268429585303489 has 16 divisors (see below), whose sum is σ = 268865991273600. Its totient is φ = 267993598944384.

The previous prime is 268429585303463. The next prime is 268429585303499. The reversal of 268429585303489 is 984303585924862.

It is a cyclic number.

It is not a de Polignac number, because 268429585303489 - 2¹³ = 268429585295297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268429585303499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20290989327 + ... + 20291002555.

It is an arithmetic number, because the mean of its divisors is an integer number (16804124454600).

Almost surely, 2^{268429585303489} is an apocalyptic number.

It is an amenable number.

268429585303489 is a deficient number, since it is larger than the sum of its proper divisors (436405970111).

268429585303489 is a wasteful number, since it uses less digits than its factorization.

268429585303489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26712.

The product of its (nonzero) digits is 3583180800, while the sum is 76.

The spelling of 268429585303489 in words is "two hundred sixty-eight trillion, four hundred twenty-nine billion, five hundred eighty-five million, three hundred three thousand, four hundred eighty-nine".