10809351784 has 48 divisors (see below), whose sum is σ = 25719850080. Its totient is φ = 4211434080.

The previous prime is 10809351781. The next prime is 10809351793. The reversal of 10809351784 is 48715390801.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (10809351781) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1249092 + ... + 1257715.

It is an arithmetic number, because the mean of its divisors is an integer number (535830210).

Almost surely, 2^10809351784 is an apocalyptic number.

10809351784 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

10809351784 is an abundant number, since it is smaller than the sum of its proper divisors (14910498296).

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

10809351784 is a wasteful number, since it uses less digits than its factorization.

10809351784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2506838 (or 2506827 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 46.

The spelling of 10809351784 in words is "ten billion, eight hundred nine million, three hundred fifty-one thousand, seven hundred eighty-four".