80493466531 has 2 divisors, whose sum is σ = 80493466532. Its totient is φ = 80493466530.

The previous prime is 80493466513. The next prime is 80493466561. The reversal of 80493466531 is 13566439408.

It is a happy number.

Together with previous prime (80493466513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80493466531 - 2¹⁷ = 80493335459 is a prime.

It is a super-2 number, since 2×80493466531² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (80493466511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40246733265 + 40246733266.

It is an arithmetic number, because the mean of its divisors is an integer number (40246733266).

Almost surely, 2^80493466531 is an apocalyptic number.

80493466531 is a deficient number, since it is larger than the sum of its proper divisors (1).

80493466531 is an equidigital number, since it uses as much as digits as its factorization.

80493466531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1866240, while the sum is 49.

The spelling of 80493466531 in words is "eighty billion, four hundred ninety-three million, four hundred sixty-six thousand, five hundred thirty-one".