268790054399 has 4 divisors (see below), whose sum is σ = 268813279560. Its totient is φ = 268766829240.

The previous prime is 268790054363. The next prime is 268790054413. The reversal of 268790054399 is 993450097862.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268790054399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268790054359) 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, 11595212 + ... + 11618369.

It is an arithmetic number, because the mean of its divisors is an integer number (67203319890).

Almost surely, 2^268790054399 is an apocalyptic number.

268790054399 is a deficient number, since it is larger than the sum of its proper divisors (23225161).

268790054399 is a wasteful number, since it uses less digits than its factorization.

268790054399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23225160.

The product of its (nonzero) digits is 29393280, while the sum is 62.

The spelling of 268790054399 in words is "two hundred sixty-eight billion, seven hundred ninety million, fifty-four thousand, three hundred ninety-nine".