73325387422129 has 2 divisors, whose sum is σ = 73325387422130. Its totient is φ = 73325387422128.

The previous prime is 73325387422103. The next prime is 73325387422139. The reversal of 73325387422129 is 92122478352337.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44695107993600 + 28630279428529 = 6685440^2 + 5350727^2 .

It is a cyclic number.

It is not a de Polignac number, because 73325387422129 - 2²⁵ = 73325353867697 is a prime.

It is a super-2 number, since 2×73325387422129² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (73325387422139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36662693711064 + 36662693711065.

It is an arithmetic number, because the mean of its divisors is an integer number (36662693711065).

Almost surely, 2^{73325387422129} is an apocalyptic number.

It is an amenable number.

73325387422129 is a deficient number, since it is larger than the sum of its proper divisors (1).

73325387422129 is an equidigital number, since it uses as much as digits as its factorization.

73325387422129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30481920, while the sum is 58.

The spelling of 73325387422129 in words is "seventy-three trillion, three hundred twenty-five billion, three hundred eighty-seven million, four hundred twenty-two thousand, one hundred twenty-nine".