403550550043213 has 2 divisors, whose sum is σ = 403550550043214. Its totient is φ = 403550550043212.

The previous prime is 403550550043129. The next prime is 403550550043229. The reversal of 403550550043213 is 312340055055304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 401495074424964 + 2055475618249 = 20037342^2 + 1433693^2 .

It is a cyclic number.

It is not a de Polignac number, because 403550550043213 - 2⁴¹ = 401351526787661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (403550550043243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201775275021606 + 201775275021607.

It is an arithmetic number, because the mean of its divisors is an integer number (201775275021607).

Almost surely, 2^{403550550043213} is an apocalyptic number.

It is an amenable number.

403550550043213 is a deficient number, since it is larger than the sum of its proper divisors (1).

403550550043213 is an equidigital number, since it uses as much as digits as its factorization.

403550550043213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540000, while the sum is 40.

The spelling of 403550550043213 in words is "four hundred three trillion, five hundred fifty billion, five hundred fifty million, forty-three thousand, two hundred thirteen".