129370466786 has 24 divisors (see below), whose sum is σ = 224882426736. Its totient is φ = 55345651520.

The previous prime is 129370466777. The next prime is 129370466789. The reversal of 129370466786 is 687664073921.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (129370466789) 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 11 ways as a sum of consecutive naturals, for example, 10167476 + ... + 10180191.

It is an arithmetic number, because the mean of its divisors is an integer number (9370101114).

Almost surely, 2^129370466786 is an apocalyptic number.

129370466786 is a deficient number, since it is larger than the sum of its proper divisors (95511959950).

129370466786 is a wasteful number, since it uses less digits than its factorization.

129370466786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20347714 (or 20347697 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 59.

The spelling of 129370466786 in words is "one hundred twenty-nine billion, three hundred seventy million, four hundred sixty-six thousand, seven hundred eighty-six".