73307580289 has 2 divisors, whose sum is σ = 73307580290. Its totient is φ = 73307580288.

The previous prime is 73307580287. The next prime is 73307580373. The reversal of 73307580289 is 98208570337.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68819652225 + 4487928064 = 262335^2 + 66992^2 .

It is a cyclic number.

It is not a de Polignac number, because 73307580289 - 2¹ = 73307580287 is a prime.

Together with 73307580287, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (73307580287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36653790144 + 36653790145.

It is an arithmetic number, because the mean of its divisors is an integer number (36653790145).

Almost surely, 2^73307580289 is an apocalyptic number.

It is an amenable number.

73307580289 is a deficient number, since it is larger than the sum of its proper divisors (1).

73307580289 is an equidigital number, since it uses as much as digits as its factorization.

73307580289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 73307580289 in words is "seventy-three billion, three hundred seven million, five hundred eighty thousand, two hundred eighty-nine".