1630648733 has 8 divisors (see below), whose sum is σ = 1944624768. Its totient is φ = 1336929264.

The previous prime is 1630648727. The next prime is 1630648741. The reversal of 1630648733 is 3378460361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1630648733 - 2¹² = 1630644637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630648703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5063966 + ... + 5064287.

It is an arithmetic number, because the mean of its divisors is an integer number (243078096).

Almost surely, 2^1630648733 is an apocalyptic number.

It is an amenable number.

1630648733 is a deficient number, since it is larger than the sum of its proper divisors (313976035).

1630648733 is a wasteful number, since it uses less digits than its factorization.

1630648733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10128283.

The product of its (nonzero) digits is 217728, while the sum is 41.

The square root of 1630648733 is about 40381.2918688840. The cubic root of 1630648733 is about 1177.0280311814.

The spelling of 1630648733 in words is "one billion, six hundred thirty million, six hundred forty-eight thousand, seven hundred thirty-three".