129483688438 has 16 divisors (see below), whose sum is σ = 209184909696. Its totient is φ = 59756287680.

The previous prime is 129483688429. The next prime is 129483688457. The reversal of 129483688438 is 834886384921.

It is a self number, because there is not a number n which added to its sum of digits gives 129483688438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74395 + ... + 514297.

It is an arithmetic number, because the mean of its divisors is an integer number (13074056856).

Almost surely, 2^129483688438 is an apocalyptic number.

129483688438 is a deficient number, since it is larger than the sum of its proper divisors (79701221258).

129483688438 is a wasteful number, since it uses less digits than its factorization.

129483688438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451239.

The product of its digits is 63700992, while the sum is 64.

The spelling of 129483688438 in words is "one hundred twenty-nine billion, four hundred eighty-three million, six hundred eighty-eight thousand, four hundred thirty-eight".