268798408433 has 4 divisors (see below), whose sum is σ = 268859185728. Its totient is φ = 268737631140.

The previous prime is 268798408423. The next prime is 268798408477. The reversal of 268798408433 is 334804897862.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 268798408433 - 2³⁰ = 267724666609 is a prime.

It is a super-2 number, since 2×268798408433² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268798408423) 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, 30382013 + ... + 30390858.

It is an arithmetic number, because the mean of its divisors is an integer number (67214796432).

Almost surely, 2^268798408433 is an apocalyptic number.

It is an amenable number.

268798408433 is a deficient number, since it is larger than the sum of its proper divisors (60777295).

268798408433 is an equidigital number, since it uses as much as digits as its factorization.

268798408433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60777294.

The product of its (nonzero) digits is 55738368, while the sum is 62.

The spelling of 268798408433 in words is "two hundred sixty-eight billion, seven hundred ninety-eight million, four hundred eight thousand, four hundred thirty-three".