1296929181828 has 24 divisors (see below), whose sum is σ = 3458477818432. Its totient is φ = 370551194784.

The previous prime is 1296929181827. The next prime is 1296929181857. The reversal of 1296929181828 is 8281819296921.

It is not an unprimeable number, because it can be changed into a prime (1296929181827) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7719816475 + ... + 7719816642.

Almost surely, 2^{1296929181828} is an apocalyptic number.

It is an amenable number.

1296929181828 is an abundant number, since it is smaller than the sum of its proper divisors (2161548636604).

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

1296929181828 is a wasteful number, since it uses less digits than its factorization.

1296929181828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15439633131 (or 15439633129 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 66.

The spelling of 1296929181828 in words is "one trillion, two hundred ninety-six billion, nine hundred twenty-nine million, one hundred eighty-one thousand, eight hundred twenty-eight".