5651209920 has 56 divisors (see below), whose sum is σ = 17942594544. Its totient is φ = 1506989056.

The previous prime is 5651209901. The next prime is 5651209933. The reversal of 5651209920 is 299021565.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2942379 + ... + 2944298.

It is an arithmetic number, because the mean of its divisors is an integer number (320403474).

Almost surely, 2^5651209920 is an apocalyptic number.

It is an amenable number.

5651209920 is an abundant number, since it is smaller than the sum of its proper divisors (12291384624).

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

5651209920 is a wasteful number, since it uses less digits than its factorization.

5651209920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5886697 (or 5886687 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 5651209920 is about 75174.5297291576. The cubic root of 5651209920 is about 1781.2046216079.

The spelling of 5651209920 in words is "five billion, six hundred fifty-one million, two hundred nine thousand, nine hundred twenty".