2519533491089 has 4 divisors (see below), whose sum is σ = 2667741343524. Its totient is φ = 2371325638656.

The previous prime is 2519533491073. The next prime is 2519533491107. The reversal of 2519533491089 is 9801943359152.

It is a happy number.

2519533491089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1264293350464 + 1255240140625 = 1124408^2 + 1120375^2 .

It is a cyclic number.

It is not a de Polignac number, because 2519533491089 - 2⁴ = 2519533491073 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2519533491029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74103926192 + ... + 74103926225.

It is an arithmetic number, because the mean of its divisors is an integer number (666935335881).

Almost surely, 2^{2519533491089} is an apocalyptic number.

It is an amenable number.

2519533491089 is a deficient number, since it is larger than the sum of its proper divisors (148207852435).

2519533491089 is a wasteful number, since it uses less digits than its factorization.

2519533491089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148207852434.

The product of its (nonzero) digits is 10497600, while the sum is 59.

The spelling of 2519533491089 in words is "two trillion, five hundred nineteen billion, five hundred thirty-three million, four hundred ninety-one thousand, eighty-nine".