73896558361 has 2 divisors, whose sum is σ = 73896558362. Its totient is φ = 73896558360.

The previous prime is 73896558299. The next prime is 73896558377. The reversal of 73896558361 is 16385569837.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66525305625 + 7371252736 = 257925^2 + 85856^2 .

It is a cyclic number.

It is not a de Polignac number, because 73896558361 - 2⁹ = 73896557849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73896558361.

It is not a weakly prime, because it can be changed into another prime (73896558661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36948279180 + 36948279181.

It is an arithmetic number, because the mean of its divisors is an integer number (36948279181).

Almost surely, 2^73896558361 is an apocalyptic number.

It is an amenable number.

73896558361 is a deficient number, since it is larger than the sum of its proper divisors (1).

73896558361 is an equidigital number, since it uses as much as digits as its factorization.

73896558361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32659200, while the sum is 61.

The spelling of 73896558361 in words is "seventy-three billion, eight hundred ninety-six million, five hundred fifty-eight thousand, three hundred sixty-one".