1268917834632 has 64 divisors (see below), whose sum is σ = 3626166510720. Its totient is φ = 362479254528.

The previous prime is 1268917834603. The next prime is 1268917834633. The reversal of 1268917834632 is 2364387198621.

It is a super-2 number, since 2×1268917834632² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1268917834633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176938 + ... + 1602854.

It is an arithmetic number, because the mean of its divisors is an integer number (56658851730).

Almost surely, 2^{1268917834632} is an apocalyptic number.

1268917834632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1268917834632 is an abundant number, since it is smaller than the sum of its proper divisors (2357248676088).

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

1268917834632 is a wasteful number, since it uses less digits than its factorization.

1268917834632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431230 (or 1431226 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 60.

The spelling of 1268917834632 in words is "one trillion, two hundred sixty-eight billion, nine hundred seventeen million, eight hundred thirty-four thousand, six hundred thirty-two".