72854918419 has 2 divisors, whose sum is σ = 72854918420. Its totient is φ = 72854918418.

The previous prime is 72854918417. The next prime is 72854918441. The reversal of 72854918419 is 91481945827.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72854918419 - 2¹ = 72854918417 is a prime.

It is a super-2 number, since 2×72854918419² (a number of 23 digits) contains 22 as substring.

Together with 72854918417, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (72854918417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36427459209 + 36427459210.

It is an arithmetic number, because the mean of its divisors is an integer number (36427459210).

Almost surely, 2^72854918419 is an apocalyptic number.

72854918419 is a deficient number, since it is larger than the sum of its proper divisors (1).

72854918419 is an equidigital number, since it uses as much as digits as its factorization.

72854918419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5806080, while the sum is 58.

The spelling of 72854918419 in words is "seventy-two billion, eight hundred fifty-four million, nine hundred eighteen thousand, four hundred nineteen".