663379743 has 8 divisors (see below), whose sum is σ = 952545328. Its totient is φ = 408233664.

The previous prime is 663379723. The next prime is 663379751. The reversal of 663379743 is 347973366.

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

It is not a de Polignac number, because 663379743 - 2⁵ = 663379711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 663379692 and 663379701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663379723) 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, 8504830 + ... + 8504907.

It is an arithmetic number, because the mean of its divisors is an integer number (119068166).

Almost surely, 2^663379743 is an apocalyptic number.

663379743 is a deficient number, since it is larger than the sum of its proper divisors (289165585).

663379743 is a wasteful number, since it uses less digits than its factorization.

663379743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17009753.

The product of its digits is 1714608, while the sum is 48.

The square root of 663379743 is about 25756.1593216069. The cubic root of 663379743 is about 872.1424025881.

The spelling of 663379743 in words is "six hundred sixty-three million, three hundred seventy-nine thousand, seven hundred forty-three".