1335335091489 has 63 divisors (see below), whose sum is σ = 2252289780273. Its totient is φ = 762369150312.

The previous prime is 1335335091487. The next prime is 1335335091539. The reversal of 1335335091489 is 9841905335331.

The square root of 1335335091489 is 1155567.

It is a perfect power (a square), and thus also a powerful number.

1335335091489 is a `hidden beast` number, since 1 + 3 + 3 + 53 + 3 + 509 + 1 + 4 + 89 = 666.

It is a tau number, because it is divible by the number of its divisors (63).

It is not a de Polignac number, because 1335335091489 - 2¹ = 1335335091487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1335335091481) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 1189077882 + ... + 1189079004.

Almost surely, 2^{1335335091489} is an apocalyptic number.

1335335091489 is the 1155567-th square number.

1335335091489 is the 577784-th centered octagonal number.

It is an amenable number.

1335335091489 is a deficient number, since it is larger than the sum of its proper divisors (916954688784).

1335335091489 is an frugal number, since it uses more digits than its factorization.

1335335091489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2294 (or 1133 counting only the distinct ones).

The product of its (nonzero) digits is 5248800, while the sum is 54.

The spelling of 1335335091489 in words is "one trillion, three hundred thirty-five billion, three hundred thirty-five million, ninety-one thousand, four hundred eighty-nine".