2445489531 has 6 divisors (see below), whose sum is σ = 3532373780. Its totient is φ = 1630326348.

The previous prime is 2445489523. The next prime is 2445489569. The reversal of 2445489531 is 1359845442.

It is not a de Polignac number, because 2445489531 - 2³ = 2445489523 is a prime.

It is a super-2 number, since 2×2445489531² = 11960838092461199922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2445489331) 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 5 ways as a sum of consecutive naturals, for example, 135860521 + ... + 135860538.

Almost surely, 2^2445489531 is an apocalyptic number.

2445489531 is a deficient number, since it is larger than the sum of its proper divisors (1086884249).

2445489531 is a wasteful number, since it uses less digits than its factorization.

2445489531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271721065 (or 271721062 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 2445489531 is about 49451.8910760751. The cubic root of 2445489531 is about 1347.2719543225.

The spelling of 2445489531 in words is "two billion, four hundred forty-five million, four hundred eighty-nine thousand, five hundred thirty-one".