80358074609 has 2 divisors, whose sum is σ = 80358074610. Its totient is φ = 80358074608.

The previous prime is 80358074579. The next prime is 80358074677. The reversal of 80358074609 is 90647085308.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47478231025 + 32879843584 = 217895^2 + 181328^2 .

It is a cyclic number.

It is not a de Polignac number, because 80358074609 - 2²⁰ = 80357026033 is a prime.

It is a super-2 number, since 2×80358074609² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (80358074689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40179037304 + 40179037305.

It is an arithmetic number, because the mean of its divisors is an integer number (40179037305).

Almost surely, 2^80358074609 is an apocalyptic number.

It is an amenable number.

80358074609 is a deficient number, since it is larger than the sum of its proper divisors (1).

80358074609 is an equidigital number, since it uses as much as digits as its factorization.

80358074609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 80358074609 in words is "eighty billion, three hundred fifty-eight million, seventy-four thousand, six hundred nine".