8428049751 has 16 divisors (see below), whose sum is σ = 12544076160. Its totient is φ = 4989119520.

The previous prime is 8428049731. The next prime is 8428049753. The reversal of 8428049751 is 1579408248.

It is a happy number.

It is not a de Polignac number, because 8428049751 - 2⁵ = 8428049719 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8428049751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8428049753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2968296 + ... + 2971133.

It is an arithmetic number, because the mean of its divisors is an integer number (784004760).

Almost surely, 2^8428049751 is an apocalyptic number.

8428049751 is a deficient number, since it is larger than the sum of its proper divisors (4116026409).

8428049751 is a wasteful number, since it uses less digits than its factorization.

8428049751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5939486.

The product of its (nonzero) digits is 645120, while the sum is 48.

The square root of 8428049751 is about 91804.4103025557. The cubic root of 8428049751 is about 2035.0528715484.

The spelling of 8428049751 in words is "eight billion, four hundred twenty-eight million, forty-nine thousand, seven hundred fifty-one".