10781943963 has 32 divisors (see below), whose sum is σ = 16880747520. Its totient is φ = 5992842240.

The previous prime is 10781943947. The next prime is 10781943973. The reversal of 10781943963 is 36934918701.

It is not a de Polignac number, because 10781943963 - 2⁴ = 10781943947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10781943943) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 271578 + ... + 308736.

It is an arithmetic number, because the mean of its divisors is an integer number (527523360).

Almost surely, 2^10781943963 is an apocalyptic number.

10781943963 is a deficient number, since it is larger than the sum of its proper divisors (6098803557).

10781943963 is a wasteful number, since it uses less digits than its factorization.

10781943963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37547.

The product of its (nonzero) digits is 979776, while the sum is 51.

The spelling of 10781943963 in words is "ten billion, seven hundred eighty-one million, nine hundred forty-three thousand, nine hundred sixty-three".