12429155373657 has 8 divisors (see below), whose sum is σ = 18078771452640. Its totient is φ = 7532821438560.

The previous prime is 12429155373589. The next prime is 12429155373683. The reversal of 12429155373657 is 75637355192421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12429155373657 - 2¹⁴ = 12429155357273 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 12429155373657.

It is not an unprimeable number, because it can be changed into a prime (12429155373157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188320535932 + ... + 188320535997.

It is an arithmetic number, because the mean of its divisors is an integer number (2259846431580).

Almost surely, 2^{12429155373657} is an apocalyptic number.

It is an amenable number.

12429155373657 is a deficient number, since it is larger than the sum of its proper divisors (5649616078983).

12429155373657 is a wasteful number, since it uses less digits than its factorization.

12429155373657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376641071943.

The product of its digits is 47628000, while the sum is 60.

The spelling of 12429155373657 in words is "twelve trillion, four hundred twenty-nine billion, one hundred fifty-five million, three hundred seventy-three thousand, six hundred fifty-seven".