73225439029 has 2 divisors, whose sum is σ = 73225439030. Its totient is φ = 73225439028.

The previous prime is 73225439017. The next prime is 73225439069. The reversal of 73225439029 is 92093452237.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70930070929 + 2295368100 = 266327^2 + 47910^2 .

It is a cyclic number.

It is not a de Polignac number, because 73225439029 - 2⁷ = 73225438901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73225439029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73225439009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36612719514 + 36612719515.

It is an arithmetic number, because the mean of its divisors is an integer number (36612719515).

Almost surely, 2^73225439029 is an apocalyptic number.

It is an amenable number.

73225439029 is a deficient number, since it is larger than the sum of its proper divisors (1).

73225439029 is an equidigital number, since it uses as much as digits as its factorization.

73225439029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 46.

The spelling of 73225439029 in words is "seventy-three billion, two hundred twenty-five million, four hundred thirty-nine thousand, twenty-nine".