32421621662203 has 2 divisors, whose sum is σ = 32421621662204. Its totient is φ = 32421621662202.

The previous prime is 32421621662141. The next prime is 32421621662219. The reversal of 32421621662203 is 30226612612423.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32421621662203 - 2³³ = 32413031727611 is a prime.

It is not a weakly prime, because it can be changed into another prime (32421621662303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16210810831101 + 16210810831102.

It is an arithmetic number, because the mean of its divisors is an integer number (16210810831102).

Almost surely, 2^{32421621662203} is an apocalyptic number.

32421621662203 is a deficient number, since it is larger than the sum of its proper divisors (1).

32421621662203 is an equidigital number, since it uses as much as digits as its factorization.

32421621662203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 32421621662203 in words is "thirty-two trillion, four hundred twenty-one billion, six hundred twenty-one million, six hundred sixty-two thousand, two hundred three".