650064998 has 12 divisors (see below), whose sum is σ = 1071801780. Its totient is φ = 295483980.

The previous prime is 650064979. The next prime is 650065001. The reversal of 650064998 is 899460056.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1342868 + ... + 1343351.

It is an arithmetic number, because the mean of its divisors is an integer number (89316815).

Almost surely, 2^650064998 is an apocalyptic number.

650064998 is a deficient number, since it is larger than the sum of its proper divisors (421736782).

650064998 is a wasteful number, since it uses less digits than its factorization.

650064998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2686243 (or 2686232 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 650064998 is about 25496.3722517538. The cubic root of 650064998 is about 866.2679781269.

The spelling of 650064998 in words is "six hundred fifty million, sixty-four thousand, nine hundred ninety-eight".