32638322473 has 2 divisors, whose sum is σ = 32638322474. Its totient is φ = 32638322472.

The previous prime is 32638322443. The next prime is 32638322501. The reversal of 32638322473 is 37422383623.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29402646784 + 3235675689 = 171472^2 + 56883^2 .

It is a cyclic number.

It is not a de Polignac number, because 32638322473 - 2¹³ = 32638314281 is a prime.

It is not a weakly prime, because it can be changed into another prime (32638322413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16319161236 + 16319161237.

It is an arithmetic number, because the mean of its divisors is an integer number (16319161237).

Almost surely, 2^32638322473 is an apocalyptic number.

It is an amenable number.

32638322473 is a deficient number, since it is larger than the sum of its proper divisors (1).

32638322473 is an equidigital number, since it uses as much as digits as its factorization.

32638322473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 43.

The spelling of 32638322473 in words is "thirty-two billion, six hundred thirty-eight million, three hundred twenty-two thousand, four hundred seventy-three".