73600000681 has 2 divisors, whose sum is σ = 73600000682. Its totient is φ = 73600000680.

The previous prime is 73600000637. The next prime is 73600000697. The reversal of 73600000681 is 18600000637.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70384090000 + 3215910681 = 265300^2 + 56709^2 .

It is a cyclic number.

It is not a de Polignac number, because 73600000681 - 2⁷ = 73600000553 is a prime.

It is a super-2 number, since 2×73600000681² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (73600000601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36800000340 + 36800000341.

It is an arithmetic number, because the mean of its divisors is an integer number (36800000341).

Almost surely, 2^73600000681 is an apocalyptic number.

It is an amenable number.

73600000681 is a deficient number, since it is larger than the sum of its proper divisors (1).

73600000681 is an equidigital number, since it uses as much as digits as its factorization.

73600000681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 73600000681 in words is "seventy-three billion, six hundred million, six hundred eighty-one", and thus it is an aban number.