663229980754 has 64 divisors (see below), whose sum is σ = 1124033500800. Its totient is φ = 290871705600.

The previous prime is 663229980731. The next prime is 663229980757. The reversal of 663229980754 is 457089922366.

It is a junction number, because it is equal to n+sod(n) for n = 663229980692 and 663229980701.

It is not an unprimeable number, because it can be changed into a prime (663229980757) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 235269957 + ... + 235272775.

It is an arithmetic number, because the mean of its divisors is an integer number (17563023450).

Almost surely, 2^663229980754 is an apocalyptic number.

663229980754 is a deficient number, since it is larger than the sum of its proper divisors (460803520046).

663229980754 is a wasteful number, since it uses less digits than its factorization.

663229980754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5659.

The product of its (nonzero) digits is 39191040, while the sum is 61.

The spelling of 663229980754 in words is "six hundred sixty-three billion, two hundred twenty-nine million, nine hundred eighty thousand, seven hundred fifty-four".