80404043519 has 2 divisors, whose sum is σ = 80404043520. Its totient is φ = 80404043518.

The previous prime is 80404043477. The next prime is 80404043543. The reversal of 80404043519 is 91534040408.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80404043519 - 2³² = 76109076223 is a prime.

It is a super-2 number, since 2×80404043519² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80404043549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40202021759 + 40202021760.

It is an arithmetic number, because the mean of its divisors is an integer number (40202021760).

Almost surely, 2^80404043519 is an apocalyptic number.

80404043519 is a deficient number, since it is larger than the sum of its proper divisors (1).

80404043519 is an equidigital number, since it uses as much as digits as its factorization.

80404043519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 80404043519 in words is "eighty billion, four hundred four million, forty-three thousand, five hundred nineteen".