268474280421 has 16 divisors (see below), whose sum is σ = 376607302848. Its totient is φ = 169898025600.

The previous prime is 268474280383. The next prime is 268474280467. The reversal of 268474280421 is 124082474862.

It is not a de Polignac number, because 268474280421 - 2¹³ = 268474272229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268474280521) 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, 29491635 + ... + 29500736.

It is an arithmetic number, because the mean of its divisors is an integer number (23537956428).

Almost surely, 2^268474280421 is an apocalyptic number.

It is an amenable number.

268474280421 is a deficient number, since it is larger than the sum of its proper divisors (108133022427).

268474280421 is a wasteful number, since it uses less digits than its factorization.

268474280421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58992452.

The product of its (nonzero) digits is 1376256, while the sum is 48.

The spelling of 268474280421 in words is "two hundred sixty-eight billion, four hundred seventy-four million, two hundred eighty thousand, four hundred twenty-one".