73538168029 has 2 divisors, whose sum is σ = 73538168030. Its totient is φ = 73538168028.

The previous prime is 73538168017. The next prime is 73538168059. The reversal of 73538168029 is 92086183537.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68985022500 + 4553145529 = 262650^2 + 67477^2 .

It is a cyclic number.

It is not a de Polignac number, because 73538168029 - 2¹³ = 73538159837 is a prime.

It is a super-2 number, since 2×73538168029² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73538168059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36769084014 + 36769084015.

It is an arithmetic number, because the mean of its divisors is an integer number (36769084015).

Almost surely, 2^73538168029 is an apocalyptic number.

It is an amenable number.

73538168029 is a deficient number, since it is larger than the sum of its proper divisors (1).

73538168029 is an equidigital number, since it uses as much as digits as its factorization.

73538168029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 73538168029 in words is "seventy-three billion, five hundred thirty-eight million, one hundred sixty-eight thousand, twenty-nine".