15382382486641 has 2 divisors, whose sum is σ = 15382382486642. Its totient is φ = 15382382486640.

The previous prime is 15382382486621. The next prime is 15382382486687. The reversal of 15382382486641 is 14668428328351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14920227254241 + 462155232400 = 3862671^2 + 679820^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15382382486641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15382382486641.

It is not a weakly prime, because it can be changed into another prime (15382382486621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7691191243320 + 7691191243321.

It is an arithmetic number, because the mean of its divisors is an integer number (7691191243321).

Almost surely, 2^{15382382486641} is an apocalyptic number.

It is an amenable number.

15382382486641 is a deficient number, since it is larger than the sum of its proper divisors (1).

15382382486641 is an equidigital number, since it uses as much as digits as its factorization.

15382382486641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53084160, while the sum is 61.

The spelling of 15382382486641 in words is "fifteen trillion, three hundred eighty-two billion, three hundred eighty-two million, four hundred eighty-six thousand, six hundred forty-one".