1268914301838 has 16 divisors (see below), whose sum is σ = 2819809559760. Its totient is φ = 422971433928.

The previous prime is 1268914301819. The next prime is 1268914301867. The reversal of 1268914301838 is 8381034198621.

1268914301838 is a `hidden beast` number, since 1 + 26 + 8 + 9 + 1 + 430 + 183 + 8 = 666.

It is a super-2 number, since 2×1268914301838² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 23498412997 = 1268914301838 / (1 + 2 + 6 + 8 + 9 + 1 + 4 + 3 + 0 + 1 + 8 + 3 + 8).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11749206445 + ... + 11749206552.

It is an arithmetic number, because the mean of its divisors is an integer number (176238097485).

Almost surely, 2^{1268914301838} is an apocalyptic number.

1268914301838 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1268914301838 is an abundant number, since it is smaller than the sum of its proper divisors (1550895257922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1268914301838 is a wasteful number, since it uses less digits than its factorization.

1268914301838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23498413008 (or 23498413002 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The spelling of 1268914301838 in words is "one trillion, two hundred sixty-eight billion, nine hundred fourteen million, three hundred one thousand, eight hundred thirty-eight".