15213038203943 has 2 divisors, whose sum is σ = 15213038203944. Its totient is φ = 15213038203942.

The previous prime is 15213038203901. The next prime is 15213038203963. The reversal of 15213038203943 is 34930283031251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15213038203943 - 2⁶ = 15213038203879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15213038203894 and 15213038203903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15213038203963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7606519101971 + 7606519101972.

It is an arithmetic number, because the mean of its divisors is an integer number (7606519101972).

Almost surely, 2^{15213038203943} is an apocalyptic number.

15213038203943 is a deficient number, since it is larger than the sum of its proper divisors (1).

15213038203943 is an equidigital number, since it uses as much as digits as its factorization.

15213038203943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 15213038203943 in words is "fifteen trillion, two hundred thirteen billion, thirty-eight million, two hundred three thousand, nine hundred forty-three".