80311592449 has 9 divisors (see below), whose sum is σ = 88279805089. Its totient is φ = 73007704660.

The previous prime is 80311592447. The next prime is 80311592507. The reversal of 80311592449 is 94429511308.

The square root of 80311592449 is 283393.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 80311592449 - 2¹ = 80311592447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80311592399 and 80311592408.

It is not an unprimeable number, because it can be changed into a prime (80311592447) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3104442 + ... + 3130204.

Almost surely, 2^80311592449 is an apocalyptic number.

80311592449 is the 283393-rd square number.

80311592449 is the 141697-th centered octagonal number.

It is an amenable number.

80311592449 is a deficient number, since it is larger than the sum of its proper divisors (7968212640).

80311592449 is an frugal number, since it uses more digits than its factorization.

80311592449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51548 (or 25774 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 46.

The spelling of 80311592449 in words is "eighty billion, three hundred eleven million, five hundred ninety-two thousand, four hundred forty-nine".