73834885081 has 2 divisors, whose sum is σ = 73834885082. Its totient is φ = 73834885080.

The previous prime is 73834885043. The next prime is 73834885181. The reversal of 73834885081 is 18058843837.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73820890000 + 13995081 = 271700^2 + 3741^2 .

It is a cyclic number.

It is not a de Polignac number, because 73834885081 - 2¹¹ = 73834883033 is a prime.

It is a super-2 number, since 2×73834885081² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (73834885181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36917442540 + 36917442541.

It is an arithmetic number, because the mean of its divisors is an integer number (36917442541).

Almost surely, 2^73834885081 is an apocalyptic number.

It is an amenable number.

73834885081 is a deficient number, since it is larger than the sum of its proper divisors (1).

73834885081 is an equidigital number, since it uses as much as digits as its factorization.

73834885081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5160960, while the sum is 55.

The spelling of 73834885081 in words is "seventy-three billion, eight hundred thirty-four million, eight hundred eighty-five thousand, eighty-one".