14875354813421 has 2 divisors, whose sum is σ = 14875354813422. Its totient is φ = 14875354813420.

The previous prime is 14875354813399. The next prime is 14875354813433. The reversal of 14875354813421 is 12431845357841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14846186955625 + 29167857796 = 3853075^2 + 170786^2 .

It is a cyclic number.

It is not a de Polignac number, because 14875354813421 - 2³⁰ = 14874281071597 is a prime.

It is a congruent number.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7437677406710 + 7437677406711.

It is an arithmetic number, because the mean of its divisors is an integer number (7437677406711).

Almost surely, 2^{14875354813421} is an apocalyptic number.

It is an amenable number.

14875354813421 is a deficient number, since it is larger than the sum of its proper divisors (1).

14875354813421 is an equidigital number, since it uses as much as digits as its factorization.

14875354813421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12902400, while the sum is 56.

The spelling of 14875354813421 in words is "fourteen trillion, eight hundred seventy-five billion, three hundred fifty-four million, eight hundred thirteen thousand, four hundred twenty-one".