646069463203 has 16 divisors (see below), whose sum is σ = 684742417920. Its totient is φ = 608292470016.

The previous prime is 646069463197. The next prime is 646069463227. The reversal of 646069463203 is 302364960646.

It is a cyclic number.

It is not a de Polignac number, because 646069463203 - 2⁹ = 646069462691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (646069463293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1873651 + ... + 2191507.

It is an arithmetic number, because the mean of its divisors is an integer number (42796401120).

Almost surely, 2^646069463203 is an apocalyptic number.

646069463203 is a deficient number, since it is larger than the sum of its proper divisors (38672954717).

646069463203 is a wasteful number, since it uses less digits than its factorization.

646069463203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319266.

The product of its (nonzero) digits is 3359232, while the sum is 49.

The spelling of 646069463203 in words is "six hundred forty-six billion, sixty-nine million, four hundred sixty-three thousand, two hundred three".