6435606982 has 12 divisors (see below), whose sum is σ = 11229477660. Its totient is φ = 2758117236.

The previous prime is 6435606979. The next prime is 6435607027. The reversal of 6435606982 is 2896065346.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32834632 + ... + 32834827.

It is an arithmetic number, because the mean of its divisors is an integer number (935789805).

Almost surely, 2^6435606982 is an apocalyptic number.

6435606982 is a deficient number, since it is larger than the sum of its proper divisors (4793870678).

6435606982 is a wasteful number, since it uses less digits than its factorization.

6435606982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65669475 (or 65669468 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 49.

The square root of 6435606982 is about 80222.2349601406. The cubic root of 6435606982 is about 1860.0723544906.

The spelling of 6435606982 in words is "six billion, four hundred thirty-five million, six hundred six thousand, nine hundred eighty-two".