129245946984 has 96 divisors (see below), whose sum is σ = 436414904640. Its totient is φ = 33570374400.

The previous prime is 129245946923. The next prime is 129245947003. The reversal of 129245946984 is 489649542921.

129245946984 is a `hidden beast` number, since 1 + 2 + 92 + 4 + 5 + 9 + 469 + 84 = 666.

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

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, 11650837 + ... + 11661924.

It is an arithmetic number, because the mean of its divisors is an integer number (4545988590).

Almost surely, 2^129245946984 is an apocalyptic number.

129245946984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

129245946984 is an abundant number, since it is smaller than the sum of its proper divisors (307168957656).

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

129245946984 is a wasteful number, since it uses less digits than its factorization.

129245946984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23312791 (or 23312784 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 63.

The spelling of 129245946984 in words is "one hundred twenty-nine billion, two hundred forty-five million, nine hundred forty-six thousand, nine hundred eighty-four".