268607651451 has 4 divisors (see below), whose sum is σ = 358143535272. Its totient is φ = 179071767632.

The previous prime is 268607651441. The next prime is 268607651491. The reversal of 268607651451 is 154156706862.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 268607651451 - 2²¹ = 268605554299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 268607651394 and 268607651403.

It is not an unprimeable number, because it can be changed into a prime (268607651441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44767941906 + ... + 44767941911.

It is an arithmetic number, because the mean of its divisors is an integer number (89535883818).

Almost surely, 2^268607651451 is an apocalyptic number.

268607651451 is a deficient number, since it is larger than the sum of its proper divisors (89535883821).

268607651451 is an equidigital number, since it uses as much as digits as its factorization.

268607651451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89535883820.

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 268607651451 in words is "two hundred sixty-eight billion, six hundred seven million, six hundred fifty-one thousand, four hundred fifty-one".