80633231629 has 2 divisors, whose sum is σ = 80633231630. Its totient is φ = 80633231628.

The previous prime is 80633231621. The next prime is 80633231639. The reversal of 80633231629 is 92613233608.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60786902500 + 19846329129 = 246550^2 + 140877^2 .

It is a cyclic number.

It is not a de Polignac number, because 80633231629 - 2³ = 80633231621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80633231621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40316615814 + 40316615815.

It is an arithmetic number, because the mean of its divisors is an integer number (40316615815).

Almost surely, 2^80633231629 is an apocalyptic number.

It is an amenable number.

80633231629 is a deficient number, since it is larger than the sum of its proper divisors (1).

80633231629 is an equidigital number, since it uses as much as digits as its factorization.

80633231629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 43.

The spelling of 80633231629 in words is "eighty billion, six hundred thirty-three million, two hundred thirty-one thousand, six hundred twenty-nine".