635491492012 has 12 divisors (see below), whose sum is σ = 1197657042736. Its totient is φ = 293303765520.

The previous prime is 635491492003. The next prime is 635491492039. The reversal of 635491492012 is 210294194536.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6110495064 + ... + 6110495167.

Almost surely, 2^635491492012 is an apocalyptic number.

It is an amenable number.

635491492012 is a deficient number, since it is larger than the sum of its proper divisors (562165550724).

635491492012 is a wasteful number, since it uses less digits than its factorization.

635491492012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12220990248 (or 12220990246 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 635491492012 in words is "six hundred thirty-five billion, four hundred ninety-one million, four hundred ninety-two thousand, twelve".