2489145073 has 4 divisors (see below), whose sum is σ = 2526296560. Its totient is φ = 2451993588.

The previous prime is 2489145059. The next prime is 2489145079. The reversal of 2489145073 is 3705419842.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2489145073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2489145079) 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 in 3 ways as a sum of consecutive naturals, for example, 18575643 + ... + 18575776.

It is an arithmetic number, because the mean of its divisors is an integer number (631574140).

Almost surely, 2^2489145073 is an apocalyptic number.

It is an amenable number.

2489145073 is a deficient number, since it is larger than the sum of its proper divisors (37151487).

2489145073 is an equidigital number, since it uses as much as digits as its factorization.

2489145073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37151486.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 2489145073 is about 49891.3326440575. The cubic root of 2489145073 is about 1355.2416380741.

The spelling of 2489145073 in words is "two billion, four hundred eighty-nine million, one hundred forty-five thousand, seventy-three".