8694642963 has 4 divisors (see below), whose sum is σ = 11592857288. Its totient is φ = 5796428640.

The previous prime is 8694642961. The next prime is 8694642973. The reversal of 8694642963 is 3692464968.

It is a happy number.

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

It is not a de Polignac number, because 8694642963 - 2¹ = 8694642961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8694642961) 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, 1449107158 + ... + 1449107163.

It is an arithmetic number, because the mean of its divisors is an integer number (2898214322).

Almost surely, 2^8694642963 is an apocalyptic number.

8694642963 is a deficient number, since it is larger than the sum of its proper divisors (2898214325).

8694642963 is a wasteful number, since it uses less digits than its factorization.

8694642963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2898214324.

The product of its digits is 13436928, while the sum is 57.

The square root of 8694642963 is about 93245.0693763483. The cubic root of 8694642963 is about 2056.2878888348.

The spelling of 8694642963 in words is "eight billion, six hundred ninety-four million, six hundred forty-two thousand, nine hundred sixty-three".