80546413249 has 3 divisors (see below), whose sum is σ = 80546697057. Its totient is φ = 80546129442.

The previous prime is 80546413247. The next prime is 80546413289. The reversal of 80546413249 is 94231464508.

The square root of 80546413249 is 283807.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 80546413249 - 2¹ = 80546413247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80546413199 and 80546413208.

It is not an unprimeable number, because it can be changed into a prime (80546413247) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 141904 + ... + 425710.

It is an arithmetic number, because the mean of its divisors is an integer number (26848899019).

Almost surely, 2^80546413249 is an apocalyptic number.

80546413249 is the 283807-th square number.

80546413249 is the 141904-th centered octagonal number.

It is an amenable number.

80546413249 is a deficient number, since it is larger than the sum of its proper divisors (283808).

80546413249 is an frugal number, since it uses more digits than its factorization.

80546413249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567614 (or 283807 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 80546413249 in words is "eighty billion, five hundred forty-six million, four hundred thirteen thousand, two hundred forty-nine".