80490349 has 2 divisors, whose sum is σ = 80490350. Its totient is φ = 80490348.

The previous prime is 80490343. The next prime is 80490373. The reversal of 80490349 is 94309408.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44129449 + 36360900 = 6643^2 + 6030^2 .

It is a cyclic number.

It is not a de Polignac number, because 80490349 - 2¹¹ = 80488301 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80490343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40245174 + 40245175.

It is an arithmetic number, because the mean of its divisors is an integer number (40245175).

Almost surely, 2^80490349 is an apocalyptic number.

It is an amenable number.

80490349 is a deficient number, since it is larger than the sum of its proper divisors (1).

80490349 is an equidigital number, since it uses as much as digits as its factorization.

80490349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 80490349 is about 8971.6413771394. The cubic root of 80490349 is about 431.7654995164.

The spelling of 80490349 in words is "eighty million, four hundred ninety thousand, three hundred forty-nine".