1469885993 has 2 divisors, whose sum is σ = 1469885994. Its totient is φ = 1469885992.

The previous prime is 1469885981. The next prime is 1469886007. The reversal of 1469885993 is 3995889641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 838218304 + 631667689 = 28952^2 + 25133^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1469885993 is a prime.

It is not a weakly prime, because it can be changed into another prime (1469885953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 734942996 + 734942997.

It is an arithmetic number, because the mean of its divisors is an integer number (734942997).

Almost surely, 2^1469885993 is an apocalyptic number.

It is an amenable number.

1469885993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1469885993 is an equidigital number, since it uses as much as digits as its factorization.

1469885993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16796160, while the sum is 62.

The square root of 1469885993 is about 38339.0922297333. The cubic root of 1469885993 is about 1137.0019699283.

The spelling of 1469885993 in words is "one billion, four hundred sixty-nine million, eight hundred eighty-five thousand, nine hundred ninety-three".