15428366773 has 2 divisors, whose sum is σ = 15428366774. Its totient is φ = 15428366772.

The previous prime is 15428366731. The next prime is 15428366783. The reversal of 15428366773 is 37766382451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12328327089 + 3100039684 = 111033^2 + 55678^2 .

It is a cyclic number.

It is not a de Polignac number, because 15428366773 - 2¹³ = 15428358581 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15428366773.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15428366783) 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 as a sum of consecutive naturals, namely, 7714183386 + 7714183387.

It is an arithmetic number, because the mean of its divisors is an integer number (7714183387).

Almost surely, 2^15428366773 is an apocalyptic number.

It is an amenable number.

15428366773 is a deficient number, since it is larger than the sum of its proper divisors (1).

15428366773 is an equidigital number, since it uses as much as digits as its factorization.

15428366773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5080320, while the sum is 52.

The spelling of 15428366773 in words is "fifteen billion, four hundred twenty-eight million, three hundred sixty-six thousand, seven hundred seventy-three".