80454019 has 2 divisors, whose sum is σ = 80454020. Its totient is φ = 80454018.

The previous prime is 80454007. The next prime is 80454041. The reversal of 80454019 is 91045408.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80454019 - 2⁹ = 80453507 is a prime.

It is a super-2 number, since 2×80454019² = 12945698346504722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (80454719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40227009 + 40227010.

It is an arithmetic number, because the mean of its divisors is an integer number (40227010).

Almost surely, 2^80454019 is an apocalyptic number.

80454019 is a deficient number, since it is larger than the sum of its proper divisors (1).

80454019 is an equidigital number, since it uses as much as digits as its factorization.

80454019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 80454019 is about 8969.6164355005. The cubic root of 80454019 is about 431.7005294034.

The spelling of 80454019 in words is "eighty million, four hundred fifty-four thousand, nineteen".