80638386013 has 2 divisors, whose sum is σ = 80638386014. Its totient is φ = 80638386012.

The previous prime is 80638385987. The next prime is 80638386047. The reversal of 80638386013 is 31068383608.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57102837444 + 23535548569 = 238962^2 + 153413^2 .

It is a cyclic number.

It is not a de Polignac number, because 80638386013 - 2⁹ = 80638385501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80638386053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40319193006 + 40319193007.

It is an arithmetic number, because the mean of its divisors is an integer number (40319193007).

Almost surely, 2^80638386013 is an apocalyptic number.

It is an amenable number.

80638386013 is a deficient number, since it is larger than the sum of its proper divisors (1).

80638386013 is an equidigital number, since it uses as much as digits as its factorization.

80638386013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 80638386013 in words is "eighty billion, six hundred thirty-eight million, three hundred eighty-six thousand, thirteen".