268539495 has 16 divisors (see below), whose sum is σ = 491043840. Its totient is φ = 122760864.

The previous prime is 268539493. The next prime is 268539517. The reversal of 268539495 is 594935862.

It is not a de Polignac number, because 268539495 - 2¹ = 268539493 is a prime.

It is a super-2 number, since 2×268539495² = 144226920749710050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268539493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1278655 + ... + 1278864.

It is an arithmetic number, because the mean of its divisors is an integer number (30690240).

Almost surely, 2^268539495 is an apocalyptic number.

268539495 is a deficient number, since it is larger than the sum of its proper divisors (222504345).

268539495 is a wasteful number, since it uses less digits than its factorization.

268539495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557534.

The product of its digits is 2332800, while the sum is 51.

The square root of 268539495 is about 16387.1747107303. The cubic root of 268539495 is about 645.1629057902.

The spelling of 268539495 in words is "two hundred sixty-eight million, five hundred thirty-nine thousand, four hundred ninety-five".