3201966738403 has 2 divisors, whose sum is σ = 3201966738404. Its totient is φ = 3201966738402.

The previous prime is 3201966738361. The next prime is 3201966738449. The reversal of 3201966738403 is 3048376691023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3201966738403 - 2¹⁷ = 3201966607331 is a prime.

It is not a weakly prime, because it can be changed into another prime (3201966733403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600983369201 + 1600983369202.

It is an arithmetic number, because the mean of its divisors is an integer number (1600983369202).

Almost surely, 2^{3201966738403} is an apocalyptic number.

3201966738403 is a deficient number, since it is larger than the sum of its proper divisors (1).

3201966738403 is an equidigital number, since it uses as much as digits as its factorization.

3201966738403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3919104, while the sum is 52.

The spelling of 3201966738403 in words is "three trillion, two hundred one billion, nine hundred sixty-six million, seven hundred thirty-eight thousand, four hundred three".