268125649 has 16 divisors (see below), whose sum is σ = 311817600. Its totient is φ = 227848960.

The previous prime is 268125631. The next prime is 268125653. The reversal of 268125649 is 946521862.

It is not a de Polignac number, because 268125649 - 2²³ = 259737041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268125349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23052 + ... + 32674.

It is an arithmetic number, because the mean of its divisors is an integer number (19488600).

Almost surely, 2^268125649 is an apocalyptic number.

It is an amenable number.

268125649 is a deficient number, since it is larger than the sum of its proper divisors (43691951).

268125649 is a wasteful number, since it uses less digits than its factorization.

268125649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9800.

The product of its digits is 207360, while the sum is 43.

The square root of 268125649 is about 16374.5427111721. The cubic root of 268125649 is about 644.8313153820.

The spelling of 268125649 in words is "two hundred sixty-eight million, one hundred twenty-five thousand, six hundred forty-nine".