3203421166573 has 2 divisors, whose sum is σ = 3203421166574. Its totient is φ = 3203421166572.

The previous prime is 3203421166541. The next prime is 3203421166591. The reversal of 3203421166573 is 3756611243023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2766041312164 + 437379854409 = 1663142^2 + 661347^2 .

It is a cyclic number.

It is not a de Polignac number, because 3203421166573 - 2⁵ = 3203421166541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3203421166373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1601710583286 + 1601710583287.

It is an arithmetic number, because the mean of its divisors is an integer number (1601710583287).

Almost surely, 2^{3203421166573} is an apocalyptic number.

It is an amenable number.

3203421166573 is a deficient number, since it is larger than the sum of its proper divisors (1).

3203421166573 is an equidigital number, since it uses as much as digits as its factorization.

3203421166573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 43.

The spelling of 3203421166573 in words is "three trillion, two hundred three billion, four hundred twenty-one million, one hundred sixty-six thousand, five hundred seventy-three".