1963320604 has 12 divisors (see below), whose sum is σ = 3926641264. Its totient is φ = 841423104.

The previous prime is 1963320589. The next prime is 1963320649. The reversal of 1963320604 is 4060233691.

It is a happy number.

1963320604 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1963320604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35059269 + ... + 35059324.

Almost surely, 2^1963320604 is an apocalyptic number.

1963320604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1963320604 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1963320604 is a wasteful number, since it uses less digits than its factorization.

1963320604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70118604 (or 70118602 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 1963320604 is about 44309.3737712462. The cubic root of 1963320604 is about 1252.1712884082.

The spelling of 1963320604 in words is "one billion, nine hundred sixty-three million, three hundred twenty thousand, six hundred four".