63980043 has 16 divisors (see below), whose sum is σ = 89268480. Its totient is φ = 40683104.

The previous prime is 63980041. The next prime is 63980069. The reversal of 63980043 is 34008936.

It is a cyclic number.

It is not a de Polignac number, because 63980043 - 2¹ = 63980041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63979986 and 63980013.

It is not an unprimeable number, because it can be changed into a prime (63980041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27805 + ... + 30017.

It is an arithmetic number, because the mean of its divisors is an integer number (5579280).

Almost surely, 2^63980043 is an apocalyptic number.

63980043 is a deficient number, since it is larger than the sum of its proper divisors (25288437).

63980043 is a wasteful number, since it uses less digits than its factorization.

63980043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2658.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 63980043 is about 7998.7525902481. The cubic root of 63980043 is about 399.9584185943.

Adding to 63980043 its reverse (34008936), we get a palindrome (97988979).

The spelling of 63980043 in words is "sixty-three million, nine hundred eighty thousand, forty-three".