1728933417131 has 2 divisors, whose sum is σ = 1728933417132. Its totient is φ = 1728933417130.

The previous prime is 1728933417091. The next prime is 1728933417209. The reversal of 1728933417131 is 1317143398271.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1728933417131 is a prime.

It is a super-2 number, since 2×1728933417131² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1728933417131.

It is not a weakly prime, because it can be changed into another prime (1728933411131) 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, 864466708565 + 864466708566.

It is an arithmetic number, because the mean of its divisors is an integer number (864466708566).

Almost surely, 2^{1728933417131} is an apocalyptic number.

1728933417131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1728933417131 is an equidigital number, since it uses as much as digits as its factorization.

1728933417131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 50.

The spelling of 1728933417131 in words is "one trillion, seven hundred twenty-eight billion, nine hundred thirty-three million, four hundred seventeen thousand, one hundred thirty-one".