2466651409 has 4 divisors (see below), whose sum is σ = 2508459120. Its totient is φ = 2424843700.

The previous prime is 2466651403. The next prime is 2466651427. The reversal of 2466651409 is 9041566642.

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 not a de Polignac number, because 2466651409 - 2⁵ = 2466651377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2466651403) 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, 20903767 + ... + 20903884.

It is an arithmetic number, because the mean of its divisors is an integer number (627114780).

Almost surely, 2^2466651409 is an apocalyptic number.

It is an amenable number.

2466651409 is a deficient number, since it is larger than the sum of its proper divisors (41807711).

2466651409 is an equidigital number, since it uses as much as digits as its factorization.

2466651409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41807710.

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 2466651409 is about 49665.3944814697. The cubic root of 2466651409 is about 1351.1469738487.

The spelling of 2466651409 in words is "two billion, four hundred sixty-six million, six hundred fifty-one thousand, four hundred nine".