80473456747819 has 2 divisors, whose sum is σ = 80473456747820. Its totient is φ = 80473456747818.

The previous prime is 80473456747769. The next prime is 80473456747883. The reversal of 80473456747819 is 91874765437408.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80473456747819 - 2¹⁷ = 80473456616747 is a prime.

It is a super-2 number, since 2×80473456747819² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (80473456744819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40236728373909 + 40236728373910.

It is an arithmetic number, because the mean of its divisors is an integer number (40236728373910).

Almost surely, 2^{80473456747819} is an apocalyptic number.

80473456747819 is a deficient number, since it is larger than the sum of its proper divisors (1).

80473456747819 is an equidigital number, since it uses as much as digits as its factorization.

80473456747819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1137991680, while the sum is 73.

The spelling of 80473456747819 in words is "eighty trillion, four hundred seventy-three billion, four hundred fifty-six million, seven hundred forty-seven thousand, eight hundred nineteen".