72057000919 has 2 divisors, whose sum is σ = 72057000920. Its totient is φ = 72057000918.

The previous prime is 72057000859. The next prime is 72057000937. The reversal of 72057000919 is 91900075027.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72057000919 - 2⁷ = 72057000791 is a prime.

It is a super-2 number, since 2×72057000919² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72057000949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36028500459 + 36028500460.

It is an arithmetic number, because the mean of its divisors is an integer number (36028500460).

Almost surely, 2^72057000919 is an apocalyptic number.

72057000919 is a deficient number, since it is larger than the sum of its proper divisors (1).

72057000919 is an equidigital number, since it uses as much as digits as its factorization.

72057000919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39690, while the sum is 40.

The spelling of 72057000919 in words is "seventy-two billion, fifty-seven million, nine hundred nineteen", and thus it is an aban number.