2468689661 has 8 divisors (see below), whose sum is σ = 2503168800. Its totient is φ = 2434425840.

The previous prime is 2468689651. The next prime is 2468689679. The reversal of 2468689661 is 1669868642.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2468689661 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2468689597 and 2468689606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2468689621) 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, 30671 + ... + 76668.

It is an arithmetic number, because the mean of its divisors is an integer number (312896100).

Almost surely, 2^2468689661 is an apocalyptic number.

It is an amenable number.

2468689661 is a deficient number, since it is larger than the sum of its proper divisors (34479139).

2468689661 is a wasteful number, since it uses less digits than its factorization.

2468689661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107659.

The product of its digits is 5971968, while the sum is 56.

The square root of 2468689661 is about 49685.9100852546. The cubic root of 2468689661 is about 1351.5190328813.

The spelling of 2468689661 in words is "two billion, four hundred sixty-eight million, six hundred eighty-nine thousand, six hundred sixty-one".