72911569063 has 2 divisors, whose sum is σ = 72911569064. Its totient is φ = 72911569062.

The previous prime is 72911569051. The next prime is 72911569147. The reversal of 72911569063 is 36096511927.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72911569063 - 2¹³ = 72911560871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72911568998 and 72911569016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72911569043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36455784531 + 36455784532.

It is an arithmetic number, because the mean of its divisors is an integer number (36455784532).

Almost surely, 2^72911569063 is an apocalyptic number.

72911569063 is a deficient number, since it is larger than the sum of its proper divisors (1).

72911569063 is an equidigital number, since it uses as much as digits as its factorization.

72911569063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 612360, while the sum is 49.

The spelling of 72911569063 in words is "seventy-two billion, nine hundred eleven million, five hundred sixty-nine thousand, sixty-three".