129473763660 has 96 divisors (see below), whose sum is σ = 416697220800. Its totient is φ = 33335769600.

The previous prime is 129473763649. The next prime is 129473763667. The reversal of 129473763660 is 66367374921.

It is a happy number.

129473763660 is a `hidden beast` number, since 12 + 9 + 473 + 76 + 36 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 129473763597 and 129473763606.

It is not an unprimeable number, because it can be changed into a prime (129473763667) 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 31 ways as a sum of consecutive naturals, for example, 4118241 + ... + 4149560.

It is an arithmetic number, because the mean of its divisors is an integer number (4340596050).

Almost surely, 2^129473763660 is an apocalyptic number.

129473763660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

129473763660 is an abundant number, since it is smaller than the sum of its proper divisors (287223457140).

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

129473763660 is a wasteful number, since it uses less digits than its factorization.

129473763660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8267848 (or 8267840 counting only the distinct ones).

The product of its (nonzero) digits is 6858432, while the sum is 54.

The spelling of 129473763660 in words is "one hundred twenty-nine billion, four hundred seventy-three million, seven hundred sixty-three thousand, six hundred sixty".