14155545075493 has 2 divisors, whose sum is σ = 14155545075494. Its totient is φ = 14155545075492.

The previous prime is 14155545075437. The next prime is 14155545075557. The reversal of 14155545075493 is 39457054555141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11319308478724 + 2836236596769 = 3364418^2 + 1684113^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14155545075493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14155545075403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7077772537746 + 7077772537747.

It is an arithmetic number, because the mean of its divisors is an integer number (7077772537747).

Almost surely, 2^{14155545075493} is an apocalyptic number.

It is an amenable number.

14155545075493 is a deficient number, since it is larger than the sum of its proper divisors (1).

14155545075493 is an equidigital number, since it uses as much as digits as its factorization.

14155545075493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800000, while the sum is 58.

The spelling of 14155545075493 in words is "fourteen trillion, one hundred fifty-five billion, five hundred forty-five million, seventy-five thousand, four hundred ninety-three".