6644052434 has 4 divisors (see below), whose sum is σ = 9966078654. Its totient is φ = 3322026216.

The previous prime is 6644052433. The next prime is 6644052439. The reversal of 6644052434 is 4342504466.

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., 3714536809 + 2929515625 = 60947^2 + 54125^2 .

It is not an unprimeable number, because it can be changed into a prime (6644052433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1661013107 + ... + 1661013110.

Almost surely, 2^6644052434 is an apocalyptic number.

6644052434 is a deficient number, since it is larger than the sum of its proper divisors (3322026220).

6644052434 is a wasteful number, since it uses less digits than its factorization.

6644052434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3322026219.

The product of its (nonzero) digits is 276480, while the sum is 38.

The square root of 6644052434 is about 81511.0571272389. The cubic root of 6644052434 is about 1879.9415662010.

The spelling of 6644052434 in words is "six billion, six hundred forty-four million, fifty-two thousand, four hundred thirty-four".