8961003963 has 12 divisors (see below), whose sum is σ = 13244688600. Its totient is φ = 5835072096.

The previous prime is 8961003959. The next prime is 8961003971. The reversal of 8961003963 is 3693001698.

It is not a de Polignac number, because 8961003963 - 2² = 8961003959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8961003923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11577138 + ... + 11577911.

It is an arithmetic number, because the mean of its divisors is an integer number (1103724050).

Almost surely, 2^8961003963 is an apocalyptic number.

8961003963 is a deficient number, since it is larger than the sum of its proper divisors (4283684637).

8961003963 is a wasteful number, since it uses less digits than its factorization.

8961003963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23155098 (or 23155095 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 8961003963 is about 94662.5795285550. The cubic root of 8961003963 is about 2077.0752133187.

The spelling of 8961003963 in words is "eight billion, nine hundred sixty-one million, three thousand, nine hundred sixty-three".