80928921343 has 2 divisors, whose sum is σ = 80928921344. Its totient is φ = 80928921342.

The previous prime is 80928921301. The next prime is 80928921361. The reversal of 80928921343 is 34312982908.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80928921343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80928921443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40464460671 + 40464460672.

It is an arithmetic number, because the mean of its divisors is an integer number (40464460672).

Almost surely, 2^80928921343 is an apocalyptic number.

80928921343 is a deficient number, since it is larger than the sum of its proper divisors (1).

80928921343 is an equidigital number, since it uses as much as digits as its factorization.

80928921343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 49.

The spelling of 80928921343 in words is "eighty billion, nine hundred twenty-eight million, nine hundred twenty-one thousand, three hundred forty-three".