10613010781 has 4 divisors (see below), whose sum is σ = 10978976700. Its totient is φ = 10247044864.

The previous prime is 10613010703. The next prime is 10613010833. The reversal of 10613010781 is 18701031601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4570436025 + 6042574756 = 67605^2 + 77734^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10613010781 is a prime.

It is a super-2 number, since 2×10613010781² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10613010701) 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, 182982916 + ... + 182982973.

It is an arithmetic number, because the mean of its divisors is an integer number (2744744175).

Almost surely, 2^10613010781 is an apocalyptic number.

It is an amenable number.

10613010781 is a deficient number, since it is larger than the sum of its proper divisors (365965919).

10613010781 is an equidigital number, since it uses as much as digits as its factorization.

10613010781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365965918.

The product of its (nonzero) digits is 1008, while the sum is 28.

The spelling of 10613010781 in words is "ten billion, six hundred thirteen million, ten thousand, seven hundred eighty-one".