1630536434 has 16 divisors (see below), whose sum is σ = 2454999360. Its totient is φ = 812209680.

The previous prime is 1630536431. The next prime is 1630536443. The reversal of 1630536434 is 4346350361.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1630536394 and 1630536403.

It is not an unprimeable number, because it can be changed into a prime (1630536431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1064249 + ... + 1065779.

It is an arithmetic number, because the mean of its divisors is an integer number (153437460).

Almost surely, 2^1630536434 is an apocalyptic number.

1630536434 is a deficient number, since it is larger than the sum of its proper divisors (824462926).

1630536434 is a wasteful number, since it uses less digits than its factorization.

1630536434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3185.

The product of its (nonzero) digits is 77760, while the sum is 35.

The square root of 1630536434 is about 40379.9013619400. The cubic root of 1630536434 is about 1177.0010108300.

Adding to 1630536434 its reverse (4346350361), we get a palindrome (5976886795).

The spelling of 1630536434 in words is "one billion, six hundred thirty million, five hundred thirty-six thousand, four hundred thirty-four".