9769216420 has 24 divisors (see below), whose sum is σ = 21407327424. Its totient is φ = 3737786976.

The previous prime is 9769216381. The next prime is 9769216421. The reversal of 9769216420 is 246129679.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (9769216421) 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, 10618254 + ... + 10619173.

It is an arithmetic number, because the mean of its divisors is an integer number (891971976).

Almost surely, 2^9769216420 is an apocalyptic number.

It is an amenable number.

9769216420 is an abundant number, since it is smaller than the sum of its proper divisors (11638111004).

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

9769216420 is a wasteful number, since it uses less digits than its factorization.

9769216420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21237459 (or 21237457 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 9769216420 is about 98839.3465174674. The cubic root of 9769216420 is about 2137.7319275488.

The spelling of 9769216420 in words is "nine billion, seven hundred sixty-nine million, two hundred sixteen thousand, four hundred twenty".