10783781438441 has 4 divisors (see below), whose sum is σ = 11764125205584. Its totient is φ = 9803437671300.

The previous prime is 10783781438431. The next prime is 10783781438447. The reversal of 10783781438441 is 14483418738701.

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 not a de Polignac number, because 10783781438441 - 2¹⁰ = 10783781437417 is a prime.

It is a super-2 number, since 2×10783781438441² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10783781438447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490171883555 + ... + 490171883576.

It is an arithmetic number, because the mean of its divisors is an integer number (2941031301396).

Almost surely, 2^{10783781438441} is an apocalyptic number.

10783781438441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10783781438441 is a deficient number, since it is larger than the sum of its proper divisors (980343767143).

10783781438441 is an equidigital number, since it uses as much as digits as its factorization.

10783781438441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980343767142.

The product of its (nonzero) digits is 14450688, while the sum is 59.

The spelling of 10783781438441 in words is "ten trillion, seven hundred eighty-three billion, seven hundred eighty-one million, four hundred thirty-eight thousand, four hundred forty-one".