2468563661 has 8 divisors (see below), whose sum is σ = 2482552704. Its totient is φ = 2454611040.

The previous prime is 2468563637. The next prime is 2468563667. The reversal of 2468563661 is 1663658642.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2468563661 - 2⁶ = 2468563597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2468563667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133025 + ... + 150441.

It is an arithmetic number, because the mean of its divisors is an integer number (310319088).

Almost surely, 2^2468563661 is an apocalyptic number.

It is an amenable number.

2468563661 is a deficient number, since it is larger than the sum of its proper divisors (13989043).

2468563661 is a wasteful number, since it uses less digits than its factorization.

2468563661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18211.

The product of its digits is 1244160, while the sum is 47.

The square root of 2468563661 is about 49684.6421039741. The cubic root of 2468563661 is about 1351.4960389967.

The spelling of 2468563661 in words is "two billion, four hundred sixty-eight million, five hundred sixty-three thousand, six hundred sixty-one".