1630130443 has 8 divisors (see below), whose sum is σ = 1685200896. Its totient is φ = 1575215400.

The previous prime is 1630130399. The next prime is 1630130449. The reversal of 1630130443 is 3440310361.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-1630130443 is a prime.

It is a super-2 number, since 2×1630130443² = 5314650522390752498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1630130449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17323 + ... + 59668.

It is an arithmetic number, because the mean of its divisors is an integer number (210650112).

Almost surely, 2^1630130443 is an apocalyptic number.

1630130443 is a deficient number, since it is larger than the sum of its proper divisors (55070453).

1630130443 is an equidigital number, since it uses as much as digits as its factorization.

1630130443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77705.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 1630130443 is about 40374.8739069238. The cubic root of 1630130443 is about 1176.9033146622.

The spelling of 1630130443 in words is "one billion, six hundred thirty million, one hundred thirty thousand, four hundred forty-three".