10784810981 has 4 divisors (see below), whose sum is σ = 12325498272. Its totient is φ = 9244123692.

The previous prime is 10784810941. The next prime is 10784810983. The reversal of 10784810981 is 18901848701.

10784810981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10784810981 is a prime.

It is a super-2 number, since 2×10784810981² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10784810983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 770343635 + ... + 770343648.

It is an arithmetic number, because the mean of its divisors is an integer number (3081374568).

Almost surely, 2^10784810981 is an apocalyptic number.

It is an amenable number.

10784810981 is a deficient number, since it is larger than the sum of its proper divisors (1540687291).

10784810981 is an equidigital number, since it uses as much as digits as its factorization.

10784810981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540687290.

The product of its (nonzero) digits is 129024, while the sum is 47.

The spelling of 10784810981 in words is "ten billion, seven hundred eighty-four million, eight hundred ten thousand, nine hundred eighty-one".