72843554000919 has 12 divisors (see below), whose sum is σ = 105170575007976. Its totient is φ = 44826802461792.

The previous prime is 72843554000909. The next prime is 72843554001059. The reversal of 72843554000919 is 91900045534827.

It is not a de Polignac number, because 72843554000919 - 2⁵ = 72843554000887 is a prime.

It is a super-2 number, since 2×72843554000919² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72843554000909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71837823952 + ... + 71837824965.

It is an arithmetic number, because the mean of its divisors is an integer number (8764214583998).

Almost surely, 2^{72843554000919} is an apocalyptic number.

72843554000919 is a deficient number, since it is larger than the sum of its proper divisors (32327021007057).

72843554000919 is a wasteful number, since it uses less digits than its factorization.

72843554000919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143675648946 (or 143675648933 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 57.

The spelling of 72843554000919 in words is "seventy-two trillion, eight hundred forty-three billion, five hundred fifty-four million, nine hundred nineteen", and thus it is an aban number.