1630340353 has 8 divisors (see below), whose sum is σ = 1717690400. Its totient is φ = 1543144608.

The previous prime is 1630340321. The next prime is 1630340407. The reversal of 1630340353 is 3530430361.

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 1630340353 - 2⁵ = 1630340321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1630346353) 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, 16551 + ... + 59452.

It is an arithmetic number, because the mean of its divisors is an integer number (214711300).

Almost surely, 2^1630340353 is an apocalyptic number.

It is an amenable number.

1630340353 is a deficient number, since it is larger than the sum of its proper divisors (87350047).

1630340353 is a wasteful number, since it uses less digits than its factorization.

1630340353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77151.

The product of its (nonzero) digits is 9720, while the sum is 28.

The square root of 1630340353 is about 40377.4733360075. The cubic root of 1630340353 is about 1176.9538286507.

The spelling of 1630340353 in words is "one billion, six hundred thirty million, three hundred forty thousand, three hundred fifty-three".