10814043781 has 4 divisors (see below), whose sum is σ = 11383204000. Its totient is φ = 10244883564.

The previous prime is 10814043767. The next prime is 10814043787. The reversal of 10814043781 is 18734041801.

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, and also an emirpimes, since its reverse is a distinct semiprime: 18734041801 = 83 ⋅225711347.

It is a cyclic number.

It is not a de Polignac number, because 10814043781 - 2⁵ = 10814043749 is a prime.

It is a super-2 number, since 2×10814043781² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10814043781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10814043787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284580081 + ... + 284580118.

It is an arithmetic number, because the mean of its divisors is an integer number (2845801000).

Almost surely, 2^10814043781 is an apocalyptic number.

It is an amenable number.

10814043781 is a deficient number, since it is larger than the sum of its proper divisors (569160219).

10814043781 is an equidigital number, since it uses as much as digits as its factorization.

10814043781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569160218.

The product of its (nonzero) digits is 21504, while the sum is 37.

The spelling of 10814043781 in words is "ten billion, eight hundred fourteen million, forty-three thousand, seven hundred eighty-one".