72270918719999 has 2 divisors, whose sum is σ = 72270918720000. Its totient is φ = 72270918719998.

The previous prime is 72270918719983. The next prime is 72270918720001. The reversal of 72270918719999 is 99991781907227.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72270918719999 - 2⁴ = 72270918719983 is a prime.

Together with 72270918720001, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72270918716999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36135459359999 + 36135459360000.

It is an arithmetic number, because the mean of its divisors is an integer number (36135459360000).

Almost surely, 2^{72270918719999} is an apocalyptic number.

72270918719999 is a deficient number, since it is larger than the sum of its proper divisors (1).

72270918719999 is an equidigital number, since it uses as much as digits as its factorization.

72270918719999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648121824, while the sum is 80.

The spelling of 72270918719999 in words is "seventy-two trillion, two hundred seventy billion, nine hundred eighteen million, seven hundred nineteen thousand, nine hundred ninety-nine".