2663994398 has 8 divisors (see below), whose sum is σ = 4303375608. Its totient is φ = 1229535864.

The previous prime is 2663994391. The next prime is 2663994407. The reversal of 2663994398 is 8934993662.

2663994398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2663994391) 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, 51230636 + ... + 51230687.

It is an arithmetic number, because the mean of its divisors is an integer number (537921951).

Almost surely, 2^2663994398 is an apocalyptic number.

2663994398 is a deficient number, since it is larger than the sum of its proper divisors (1639381210).

2663994398 is a wasteful number, since it uses less digits than its factorization.

2663994398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102461338.

The product of its digits is 15116544, while the sum is 59.

The square root of 2663994398 is about 51613.8973339545. The cubic root of 2663994398 is about 1386.2591819847.

The spelling of 2663994398 in words is "two billion, six hundred sixty-three million, nine hundred ninety-four thousand, three hundred ninety-eight".