9769429428 has 24 divisors (see below), whose sum is σ = 24867638880. Its totient is φ = 2960433120.

The previous prime is 9769429381. The next prime is 9769429451. The reversal of 9769429428 is 8249249679.

It is a congruent number.

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, 37005283 + ... + 37005546.

It is an arithmetic number, because the mean of its divisors is an integer number (1036151620).

Almost surely, 2^9769429428 is an apocalyptic number.

It is an amenable number.

9769429428 is an abundant number, since it is smaller than the sum of its proper divisors (15098209452).

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

9769429428 is a wasteful number, since it uses less digits than its factorization.

9769429428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74010847 (or 74010845 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 60.

The square root of 9769429428 is about 98840.4240581757. The cubic root of 9769429428 is about 2137.7474644719.

The spelling of 9769429428 in words is "nine billion, seven hundred sixty-nine million, four hundred twenty-nine thousand, four hundred twenty-eight".