2445465561 has 16 divisors (see below), whose sum is σ = 4065189888. Its totient is φ = 1270371600.

The previous prime is 2445465553. The next prime is 2445465569. The reversal of 2445465561 is 1655645442.

It is an interprime number because it is at equal distance from previous prime (2445465553) and next prime (2445465569).

It is not a de Polignac number, because 2445465561 - 2³ = 2445465553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2445465569) 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 15 ways as a sum of consecutive naturals, for example, 5292985 + ... + 5293446.

It is an arithmetic number, because the mean of its divisors is an integer number (254074368).

Almost surely, 2^2445465561 is an apocalyptic number.

2445465561 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2445465561 is a deficient number, since it is larger than the sum of its proper divisors (1619724327).

2445465561 is a wasteful number, since it uses less digits than its factorization.

2445465561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10586452.

The product of its digits is 576000, while the sum is 42.

The square root of 2445465561 is about 49451.6487187232. The cubic root of 2445465561 is about 1347.2675524480.

The spelling of 2445465561 in words is "two billion, four hundred forty-five million, four hundred sixty-five thousand, five hundred sixty-one".