129498910544 has 40 divisors (see below), whose sum is σ = 253625383008. Its totient is φ = 64048999040.

The previous prime is 129498910537. The next prime is 129498910549. The reversal of 129498910544 is 445019894921.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 129498910544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129498910549) 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 7 ways as a sum of consecutive naturals, for example, 1103159 + ... + 1214889.

Almost surely, 2^129498910544 is an apocalyptic number.

It is an amenable number.

129498910544 is a deficient number, since it is larger than the sum of its proper divisors (124126472464).

129498910544 is a wasteful number, since it uses less digits than its factorization.

129498910544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112523 (or 112517 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 56.

The spelling of 129498910544 in words is "one hundred twenty-nine billion, four hundred ninety-eight million, nine hundred ten thousand, five hundred forty-four".