634443652030 has 16 divisors (see below), whose sum is σ = 1191650685984. Its totient is φ = 242743658080.

The previous prime is 634443651971. The next prime is 634443652033. The reversal of 634443652030 is 30256344436.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634443652033) 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, 1379225101 + ... + 1379225560.

It is an arithmetic number, because the mean of its divisors is an integer number (74478167874).

Almost surely, 2^634443652030 is an apocalyptic number.

634443652030 is a deficient number, since it is larger than the sum of its proper divisors (557207033954).

634443652030 is a wasteful number, since it uses less digits than its factorization.

634443652030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2758450691.

The product of its (nonzero) digits is 622080, while the sum is 40.

Adding to 634443652030 its reverse (30256344436), we get a palindrome (664699996466).

The spelling of 634443652030 in words is "six hundred thirty-four billion, four hundred forty-three million, six hundred fifty-two thousand, thirty".