3445765220203 has 2 divisors, whose sum is σ = 3445765220204. Its totient is φ = 3445765220202.

The previous prime is 3445765220171. The next prime is 3445765220221. The reversal of 3445765220203 is 3020225675443.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3445765220203 - 2⁵ = 3445765220171 is a prime.

It is a super-2 number, since 2×3445765220203² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3445765220203.

It is not a weakly prime, because it can be changed into another prime (3445765220263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1722882610101 + 1722882610102.

It is an arithmetic number, because the mean of its divisors is an integer number (1722882610102).

Almost surely, 2^{3445765220203} is an apocalyptic number.

3445765220203 is a deficient number, since it is larger than the sum of its proper divisors (1).

3445765220203 is an equidigital number, since it uses as much as digits as its factorization.

3445765220203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1209600, while the sum is 43.

The spelling of 3445765220203 in words is "three trillion, four hundred forty-five billion, seven hundred sixty-five million, two hundred twenty thousand, two hundred three".