80377242433 has 2 divisors, whose sum is σ = 80377242434. Its totient is φ = 80377242432.

The previous prime is 80377242419. The next prime is 80377242443. The reversal of 80377242433 is 33424277308.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50029163584 + 30348078849 = 223672^2 + 174207^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80377242433 is a prime.

It is a super-3 number, since 3×80377242433³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 80377242433.

It is not a weakly prime, because it can be changed into another prime (80377242403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40188621216 + 40188621217.

It is an arithmetic number, because the mean of its divisors is an integer number (40188621217).

Almost surely, 2^80377242433 is an apocalyptic number.

It is an amenable number.

80377242433 is a deficient number, since it is larger than the sum of its proper divisors (1).

80377242433 is an equidigital number, since it uses as much as digits as its factorization.

80377242433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 43.

The spelling of 80377242433 in words is "eighty billion, three hundred seventy-seven million, two hundred forty-two thousand, four hundred thirty-three".