80631935299 has 2 divisors, whose sum is σ = 80631935300. Its totient is φ = 80631935298.

The previous prime is 80631935297. The next prime is 80631935317. The reversal of 80631935299 is 99253913608.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80631935299 - 2¹ = 80631935297 is a prime.

Together with 80631935297, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (80631935297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40315967649 + 40315967650.

It is an arithmetic number, because the mean of its divisors is an integer number (40315967650).

Almost surely, 2^80631935299 is an apocalyptic number.

80631935299 is a deficient number, since it is larger than the sum of its proper divisors (1).

80631935299 is an equidigital number, since it uses as much as digits as its factorization.

80631935299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3149280, while the sum is 55.

The spelling of 80631935299 in words is "eighty billion, six hundred thirty-one million, nine hundred thirty-five thousand, two hundred ninety-nine".