1268819693064 has 96 divisors (see below), whose sum is σ = 4284326255040. Its totient is φ = 329563555200.

The previous prime is 1268819693059. The next prime is 1268819693083. The reversal of 1268819693064 is 4603969188621.

1268819693064 is a `hidden beast` number, since 1 + 268 + 8 + 1 + 9 + 69 + 306 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 1268819692992 and 1268819693010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114426247 + ... + 114437334.

It is an arithmetic number, because the mean of its divisors is an integer number (44628398490).

Almost surely, 2^{1268819693064} is an apocalyptic number.

1268819693064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1268819693064 is an abundant number, since it is smaller than the sum of its proper divisors (3015506561976).

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

1268819693064 is a wasteful number, since it uses less digits than its factorization.

1268819693064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228863611 (or 228863604 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 63.

The spelling of 1268819693064 in words is "one trillion, two hundred sixty-eight billion, eight hundred nineteen million, six hundred ninety-three thousand, sixty-four".