1630533013 has 8 divisors (see below), whose sum is σ = 1719410400. Its totient is φ = 1541961648.

The previous prime is 1630533011. The next prime is 1630533031. The reversal of 1630533013 is 3103350361.

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 1630533013 - 2¹ = 1630533011 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 (1630533011) 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, 65518 + ... + 86911.

It is an arithmetic number, because the mean of its divisors is an integer number (214926300).

Almost surely, 2^1630533013 is an apocalyptic number.

It is an amenable number.

1630533013 is a deficient number, since it is larger than the sum of its proper divisors (88877387).

1630533013 is a wasteful number, since it uses less digits than its factorization.

1630533013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153011.

The product of its (nonzero) digits is 2430, while the sum is 25.

The square root of 1630533013 is about 40379.8590017350. The cubic root of 1630533013 is about 1177.0001876810. Note that the first 3 decimals are identical.

Adding to 1630533013 its reverse (3103350361), we get a palindrome (4733883374).

The spelling of 1630533013 in words is "one billion, six hundred thirty million, five hundred thirty-three thousand, thirteen".