1469992535989 has 2 divisors, whose sum is σ = 1469992535990. Its totient is φ = 1469992535988.

The previous prime is 1469992535987. The next prime is 1469992536013. The reversal of 1469992535989 is 9895352999641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 836416335364 + 633576200625 = 914558^2 + 795975^2 .

It is a cyclic number.

It is not a de Polignac number, because 1469992535989 - 2¹ = 1469992535987 is a prime.

Together with 1469992535987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1469992535981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 734996267994 + 734996267995.

It is an arithmetic number, because the mean of its divisors is an integer number (734996267995).

Almost surely, 2^{1469992535989} is an apocalyptic number.

It is an amenable number.

1469992535989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1469992535989 is an equidigital number, since it uses as much as digits as its factorization.

1469992535989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1700611200, while the sum is 79.

The spelling of 1469992535989 in words is "one trillion, four hundred sixty-nine billion, nine hundred ninety-two million, five hundred thirty-five thousand, nine hundred eighty-nine".