1630280948 has 12 divisors (see below), whose sum is σ = 2945023872. Its totient is φ = 788845560.

The previous prime is 1630280947. The next prime is 1630281017. The reversal of 1630280948 is 8490820361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630280947) 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, 6573590 + ... + 6573837.

It is an arithmetic number, because the mean of its divisors is an integer number (245418656).

Almost surely, 2^1630280948 is an apocalyptic number.

It is an amenable number.

1630280948 is a deficient number, since it is larger than the sum of its proper divisors (1314742924).

1630280948 is a wasteful number, since it uses less digits than its factorization.

1630280948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13147462 (or 13147460 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 1630280948 is about 40376.7377087352. The cubic root of 1630280948 is about 1176.9395335188.

The spelling of 1630280948 in words is "one billion, six hundred thirty million, two hundred eighty thousand, nine hundred forty-eight".