13357035367421 has 2 divisors, whose sum is σ = 13357035367422. Its totient is φ = 13357035367420.

The previous prime is 13357035367309. The next prime is 13357035367433. The reversal of 13357035367421 is 12476353075331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13143082864921 + 213952502500 = 3625339^2 + 462550^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13357035367421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13357035367421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13357035067421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6678517683710 + 6678517683711.

It is an arithmetic number, because the mean of its divisors is an integer number (6678517683711).

Almost surely, 2^{13357035367421} is an apocalyptic number.

It is an amenable number.

13357035367421 is a deficient number, since it is larger than the sum of its proper divisors (1).

13357035367421 is an equidigital number, since it uses as much as digits as its factorization.

13357035367421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4762800, while the sum is 50.

The spelling of 13357035367421 in words is "thirteen trillion, three hundred fifty-seven billion, thirty-five million, three hundred sixty-seven thousand, four hundred twenty-one".