1004665963 has 6 divisors (see below), whose sum is σ = 1168693116. Its totient is φ = 861142212.

The previous prime is 1004665877. The next prime is 1004665979. The reversal of 1004665963 is 3695664001.

It is a de Polignac number, because none of the positive numbers 2^k-1004665963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1004665463) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10251645 + ... + 10251742.

It is an arithmetic number, because the mean of its divisors is an integer number (194782186).

Almost surely, 2^1004665963 is an apocalyptic number.

1004665963 is a deficient number, since it is larger than the sum of its proper divisors (164027153).

1004665963 is an equidigital number, since it uses as much as digits as its factorization.

1004665963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20503401 (or 20503394 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 1004665963 is about 31696.4660963963. The cubic root of 1004665963 is about 1001.5529082277.

The spelling of 1004665963 in words is "one billion, four million, six hundred sixty-five thousand, nine hundred sixty-three".