268912051047 has 24 divisors (see below), whose sum is σ = 405918399744. Its totient is φ = 171379860624.

The previous prime is 268912051013. The next prime is 268912051069. The reversal of 268912051047 is 740150219862.

268912051047 is a `hidden beast` number, since 2 + 6 + 8 + 9 + 120 + 510 + 4 + 7 = 666.

It is not a de Polignac number, because 268912051047 - 2¹⁵ = 268912018279 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 268912050993 and 268912051011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268912051097) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7373973 + ... + 7410350.

It is an arithmetic number, because the mean of its divisors is an integer number (16913266656).

Almost surely, 2^268912051047 is an apocalyptic number.

268912051047 is a deficient number, since it is larger than the sum of its proper divisors (137006348697).

268912051047 is a wasteful number, since it uses less digits than its factorization.

268912051047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14784419 (or 14784416 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 268912051047 in words is "two hundred sixty-eight billion, nine hundred twelve million, fifty-one thousand, forty-seven".