72203852963 has 4 divisors (see below), whose sum is σ = 78767839608. Its totient is φ = 65639866320.

The previous prime is 72203852947. The next prime is 72203852999. The reversal of 72203852963 is 36925830227.

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

It is a cyclic number.

It is not a de Polignac number, because 72203852963 - 2⁴ = 72203852947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72203852363) 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, 3281993306 + ... + 3281993327.

It is an arithmetic number, because the mean of its divisors is an integer number (19691959902).

Almost surely, 2^72203852963 is an apocalyptic number.

72203852963 is a deficient number, since it is larger than the sum of its proper divisors (6563986645).

72203852963 is a wasteful number, since it uses less digits than its factorization.

72203852963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6563986644.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The spelling of 72203852963 in words is "seventy-two billion, two hundred three million, eight hundred fifty-two thousand, nine hundred sixty-three".