15438345390627 has 8 divisors (see below), whose sum is σ = 20600405112000. Its totient is φ = 10284257964840.

The previous prime is 15438345390599. The next prime is 15438345390649. The reversal of 15438345390627 is 72609354383451.

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

It is not a de Polignac number, because 15438345390627 - 2¹⁸ = 15438345128483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15438345390667) 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, 1993069377 + ... + 1993077122.

It is an arithmetic number, because the mean of its divisors is an integer number (2575050639000).

It is a 2-persistent number, because it is pandigital, and so is 2⋅15438345390627 = 30876690781254, but 3⋅15438345390627 = 46315036171881 is not.

Almost surely, 2^{15438345390627} is an apocalyptic number.

15438345390627 is a deficient number, since it is larger than the sum of its proper divisors (5162059721373).

15438345390627 is a wasteful number, since it uses less digits than its factorization.

15438345390627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3986147793.

The product of its (nonzero) digits is 65318400, while the sum is 60.

The spelling of 15438345390627 in words is "fifteen trillion, four hundred thirty-eight billion, three hundred forty-five million, three hundred ninety thousand, six hundred twenty-seven".