73325387422009 has 2 divisors, whose sum is σ = 73325387422010. Its totient is φ = 73325387422008.

The previous prime is 73325387422003. The next prime is 73325387422013. The reversal of 73325387422009 is 90022478352337.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73227811155625 + 97576266384 = 8557325^2 + 312372^2 .

It is a cyclic number.

It is not a de Polignac number, because 73325387422009 - 2⁹ = 73325387421497 is a prime.

It is a super-2 number, since 2×73325387422009² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (73325387422003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36662693711004 + 36662693711005.

It is an arithmetic number, because the mean of its divisors is an integer number (36662693711005).

Almost surely, 2^{73325387422009} is an apocalyptic number.

It is an amenable number.

73325387422009 is a deficient number, since it is larger than the sum of its proper divisors (1).

73325387422009 is an equidigital number, since it uses as much as digits as its factorization.

73325387422009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15240960, while the sum is 55.

The spelling of 73325387422009 in words is "seventy-three trillion, three hundred twenty-five billion, three hundred eighty-seven million, four hundred twenty-two thousand, nine".