80090725249 has 4 divisors (see below), whose sum is σ = 81403688020. Its totient is φ = 78777762480.

The previous prime is 80090725223. The next prime is 80090725291. The reversal of 80090725249 is 94252709008.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17387059600 + 62703665649 = 131860^2 + 250407^2 .

It is a cyclic number.

It is not a de Polignac number, because 80090725249 - 2⁹ = 80090724737 is a prime.

It is a super-2 number, since 2×80090725249² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80090725199 and 80090725208.

It is not an unprimeable number, because it can be changed into a prime (80090725049) 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 in 3 ways as a sum of consecutive naturals, for example, 656481294 + ... + 656481415.

It is an arithmetic number, because the mean of its divisors is an integer number (20350922005).

Almost surely, 2^80090725249 is an apocalyptic number.

It is an amenable number.

80090725249 is a deficient number, since it is larger than the sum of its proper divisors (1312962771).

80090725249 is a wasteful number, since it uses less digits than its factorization.

80090725249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312962770.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 80090725249 in words is "eighty billion, ninety million, seven hundred twenty-five thousand, two hundred forty-nine".