651384496 has 40 divisors (see below), whose sum is σ = 1447518464. Its totient is φ = 278164800.

The previous prime is 651384491. The next prime is 651384509. The reversal of 651384496 is 694483156.

651384496 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (651384491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21421 + ... + 41971.

Almost surely, 2^651384496 is an apocalyptic number.

It is an amenable number.

651384496 is an abundant number, since it is smaller than the sum of its proper divisors (796133968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

651384496 is a wasteful number, since it uses less digits than its factorization.

651384496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20849 (or 20843 counting only the distinct ones).

The product of its digits is 622080, while the sum is 46.

The square root of 651384496 is about 25522.2353253002. The cubic root of 651384496 is about 866.8536971762.

The spelling of 651384496 in words is "six hundred fifty-one million, three hundred eighty-four thousand, four hundred ninety-six".