268814651 has 4 divisors (see below), whose sum is σ = 307216752. Its totient is φ = 230412552.

The previous prime is 268814647. The next prime is 268814669. The reversal of 268814651 is 156418862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 156418862 = 2 ⋅78209431.

It is a cyclic number.

It is not a de Polignac number, because 268814651 - 2² = 268814647 is a prime.

It is a super-2 number, since 2×268814651² = 144522633184503602, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 268814599 and 268814608.

It is not an unprimeable number, because it can be changed into a prime (268813651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19201040 + ... + 19201053.

It is an arithmetic number, because the mean of its divisors is an integer number (76804188).

Almost surely, 2^268814651 is an apocalyptic number.

268814651 is a deficient number, since it is larger than the sum of its proper divisors (38402101).

268814651 is an equidigital number, since it uses as much as digits as its factorization.

268814651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38402100.

The product of its digits is 92160, while the sum is 41.

The square root of 268814651 is about 16395.5680291962. The cubic root of 268814651 is about 645.3831835654.

The spelling of 268814651 in words is "two hundred sixty-eight million, eight hundred fourteen thousand, six hundred fifty-one".