6534634042 has 4 divisors (see below), whose sum is σ = 9801951066. Its totient is φ = 3267317020.

The previous prime is 6534634027. The next prime is 6534634069. The reversal of 6534634042 is 2404364356.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3770082801 + 2764551241 = 61401^2 + 52579^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6534633992 and 6534634010.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1633658509 + ... + 1633658512.

Almost surely, 2^6534634042 is an apocalyptic number.

6534634042 is a deficient number, since it is larger than the sum of its proper divisors (3267317024).

6534634042 is a wasteful number, since it uses less digits than its factorization.

6534634042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3267317023.

The product of its (nonzero) digits is 207360, while the sum is 37.

The square root of 6534634042 is about 80837.0833343213. The cubic root of 6534634042 is about 1869.5643739190.

Adding to 6534634042 its reverse (2404364356), we get a palindrome (8938998398).

The spelling of 6534634042 in words is "six billion, five hundred thirty-four million, six hundred thirty-four thousand, forty-two".