73433073881 has 2 divisors, whose sum is σ = 73433073882. Its totient is φ = 73433073880.

The previous prime is 73433073871. The next prime is 73433073919. The reversal of 73433073881 is 18837033437.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66090126400 + 7342947481 = 257080^2 + 85691^2 .

It is a cyclic number.

It is not a de Polignac number, because 73433073881 - 2³⁰ = 72359332057 is a prime.

It is a super-2 number, since 2×73433073881² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (73433073871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36716536940 + 36716536941.

It is an arithmetic number, because the mean of its divisors is an integer number (36716536941).

Almost surely, 2^73433073881 is an apocalyptic number.

It is an amenable number.

73433073881 is a deficient number, since it is larger than the sum of its proper divisors (1).

73433073881 is an equidigital number, since it uses as much as digits as its factorization.

73433073881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 73433073881 in words is "seventy-three billion, four hundred thirty-three million, seventy-three thousand, eight hundred eighty-one".