961040963 has 4 divisors (see below), whose sum is σ = 964780680. Its totient is φ = 957301248.

The previous prime is 961040939. The next prime is 961040989. The reversal of 961040963 is 369040169.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 369040169 = 463 ⋅797063.

It is a cyclic number.

It is not a de Polignac number, because 961040963 - 2¹⁰ = 961039939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (961040363) 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, 1869473 + ... + 1869986.

It is an arithmetic number, because the mean of its divisors is an integer number (241195170).

Almost surely, 2^961040963 is an apocalyptic number.

961040963 is a deficient number, since it is larger than the sum of its proper divisors (3739717).

961040963 is a wasteful number, since it uses less digits than its factorization.

961040963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3739716.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 961040963 is about 31000.6606865080. The cubic root of 961040963 is about 986.8412614214.

The spelling of 961040963 in words is "nine hundred sixty-one million, forty thousand, nine hundred sixty-three".