2604322663 has 8 divisors (see below), whose sum is σ = 2689494080. Its totient is φ = 2519929440.

The previous prime is 2604322661. The next prime is 2604322697. The reversal of 2604322663 is 3662234062.

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 2604322663 - 2¹ = 2604322661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2604322661) 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, 187743 + ... + 201136.

It is an arithmetic number, because the mean of its divisors is an integer number (336186760).

Almost surely, 2^2604322663 is an apocalyptic number.

2604322663 is a deficient number, since it is larger than the sum of its proper divisors (85171417).

2604322663 is a wasteful number, since it uses less digits than its factorization.

2604322663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389097.

The product of its (nonzero) digits is 62208, while the sum is 34.

The square root of 2604322663 is about 51032.5647307677. The cubic root of 2604322663 is about 1375.8304912132.

The spelling of 2604322663 in words is "two billion, six hundred four million, three hundred twenty-two thousand, six hundred sixty-three".