80920651733 has 2 divisors, whose sum is σ = 80920651734. Its totient is φ = 80920651732.

The previous prime is 80920651727. The next prime is 80920651741. The reversal of 80920651733 is 33715602908.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55428697489 + 25491954244 = 235433^2 + 159662^2 .

It is a cyclic number.

It is not a de Polignac number, because 80920651733 - 2²⁴ = 80903874517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80920651783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40460325866 + 40460325867.

It is an arithmetic number, because the mean of its divisors is an integer number (40460325867).

Almost surely, 2^80920651733 is an apocalyptic number.

It is an amenable number.

80920651733 is a deficient number, since it is larger than the sum of its proper divisors (1).

80920651733 is an equidigital number, since it uses as much as digits as its factorization.

80920651733 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 80920651733 in words is "eighty billion, nine hundred twenty million, six hundred fifty-one thousand, seven hundred thirty-three".