6363939494 has 32 divisors (see below), whose sum is σ = 11127520800. Its totient is φ = 2697546240.

The previous prime is 6363939451. The next prime is 6363939557. The reversal of 6363939494 is 4949393636.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37289 + ... + 118820.

It is an arithmetic number, because the mean of its divisors is an integer number (347735025).

Almost surely, 2^6363939494 is an apocalyptic number.

6363939494 is a deficient number, since it is larger than the sum of its proper divisors (4763581306).

6363939494 is a wasteful number, since it uses less digits than its factorization.

6363939494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156248.

The product of its digits is 11337408, while the sum is 56.

The square root of 6363939494 is about 79774.3034692250. The cubic root of 6363939494 is about 1853.1419211322.

The spelling of 6363939494 in words is "six billion, three hundred sixty-three million, nine hundred thirty-nine thousand, four hundred ninety-four".