4145213793949 has 2 divisors, whose sum is σ = 4145213793950. Its totient is φ = 4145213793948.

The previous prime is 4145213793887. The next prime is 4145213793953. The reversal of 4145213793949 is 9493973125414.

4145213793949 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2081917123225 + 2063296670724 = 1442885^2 + 1436418^2 .

It is a cyclic number.

It is not a de Polignac number, because 4145213793949 - 2³⁷ = 4007774840477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4145213793649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2072606896974 + 2072606896975.

It is an arithmetic number, because the mean of its divisors is an integer number (2072606896975).

Almost surely, 2^{4145213793949} is an apocalyptic number.

It is an amenable number.

4145213793949 is a deficient number, since it is larger than the sum of its proper divisors (1).

4145213793949 is an equidigital number, since it uses as much as digits as its factorization.

4145213793949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29393280, while the sum is 61.

The spelling of 4145213793949 in words is "four trillion, one hundred forty-five billion, two hundred thirteen million, seven hundred ninety-three thousand, nine hundred forty-nine".