12481750736639 has 8 divisors (see below), whose sum is σ = 13240400160528. Its totient is φ = 11725815623040.

The previous prime is 12481750736617. The next prime is 12481750736641. The reversal of 12481750736639 is 93663705718421.

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

It is a cyclic number.

It is not a de Polignac number, because 12481750736639 - 2²⁰ = 12481749688063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12481750756639) 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, 678568097 + ... + 678586490.

It is an arithmetic number, because the mean of its divisors is an integer number (1655050020066).

It is a 2-persistent number, because it is pandigital, and so is 2⋅12481750736639 = 24963501473278, but 3⋅12481750736639 = 37445252209917 is not.

Almost surely, 2^{12481750736639} is an apocalyptic number.

12481750736639 is a deficient number, since it is larger than the sum of its proper divisors (758649423889).

12481750736639 is a wasteful number, since it uses less digits than its factorization.

12481750736639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357155145.

The product of its (nonzero) digits is 45722880, while the sum is 62.

The spelling of 12481750736639 in words is "twelve trillion, four hundred eighty-one billion, seven hundred fifty million, seven hundred thirty-six thousand, six hundred thirty-nine".