6534066403 has 4 divisors (see below), whose sum is σ = 6544657080. Its totient is φ = 6523475728.

The previous prime is 6534066397. The next prime is 6534066437. The reversal of 6534066403 is 3046604356.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6534066403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6534066463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5294413 + ... + 5295646.

It is an arithmetic number, because the mean of its divisors is an integer number (1636164270).

Almost surely, 2^6534066403 is an apocalyptic number.

6534066403 is a deficient number, since it is larger than the sum of its proper divisors (10590677).

6534066403 is a wasteful number, since it uses less digits than its factorization.

6534066403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10590676.

The product of its (nonzero) digits is 155520, while the sum is 37.

The square root of 6534066403 is about 80833.5722518806. The cubic root of 6534066403 is about 1869.5102383508.

The spelling of 6534066403 in words is "six billion, five hundred thirty-four million, sixty-six thousand, four hundred three".