1630550073 has 8 divisors (see below), whose sum is σ = 2174269536. Its totient is φ = 1086932000.

The previous prime is 1630550071. The next prime is 1630550093. The reversal of 1630550073 is 3700550361.

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 1630550073 - 2¹ = 1630550071 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1630550073.

It is not an unprimeable number, because it can be changed into a prime (1630550071) 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, 28558 + ... + 63848.

It is an arithmetic number, because the mean of its divisors is an integer number (271783692).

Almost surely, 2^1630550073 is an apocalyptic number.

It is an amenable number.

1630550073 is a deficient number, since it is larger than the sum of its proper divisors (543719463).

1630550073 is a wasteful number, since it uses less digits than its factorization.

1630550073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50695.

The product of its (nonzero) digits is 9450, while the sum is 30.

The square root of 1630550073 is about 40380.0702451098. The cubic root of 1630550073 is about 1177.0042925868.

The spelling of 1630550073 in words is "one billion, six hundred thirty million, five hundred fifty thousand, seventy-three".