10716442781 has 4 divisors (see below), whose sum is σ = 11690664864. Its totient is φ = 9742220700.

The previous prime is 10716442777. The next prime is 10716442783. The reversal of 10716442781 is 18724461701.

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: 18724461701 = 11 ⋅1702223791.

It is a cyclic number.

It is not a de Polignac number, because 10716442781 - 2² = 10716442777 is a prime.

It is a super-2 number, since 2×10716442781² (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 (10716442783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487111025 + ... + 487111046.

It is an arithmetic number, because the mean of its divisors is an integer number (2922666216).

Almost surely, 2^10716442781 is an apocalyptic number.

10716442781 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10716442781 is a deficient number, since it is larger than the sum of its proper divisors (974222083).

10716442781 is an equidigital number, since it uses as much as digits as its factorization.

10716442781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974222082.

The product of its (nonzero) digits is 75264, while the sum is 41.

The spelling of 10716442781 in words is "ten billion, seven hundred sixteen million, four hundred forty-two thousand, seven hundred eighty-one".