80492049 has 24 divisors (see below), whose sum is σ = 131537952. Its totient is φ = 48781440.

The previous prime is 80492029. The next prime is 80492101. The reversal of 80492049 is 94029408.

It is a happy number.

It is not a de Polignac number, because 80492049 - 2⁵ = 80492017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80492029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12384 + ... + 17729.

It is an arithmetic number, because the mean of its divisors is an integer number (5480748).

Almost surely, 2^80492049 is an apocalyptic number.

It is an amenable number.

80492049 is a deficient number, since it is larger than the sum of its proper divisors (51045903).

80492049 is a wasteful number, since it uses less digits than its factorization.

80492049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30139 (or 30127 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 80492049 is about 8971.7361196148. The cubic root of 80492049 is about 431.7685392025.

The spelling of 80492049 in words is "eighty million, four hundred ninety-two thousand, forty-nine".