158475886657493 has 2 divisors, whose sum is σ = 158475886657494. Its totient is φ = 158475886657492.

The previous prime is 158475886657391. The next prime is 158475886657531. The reversal of 158475886657493 is 394756688574851.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132854047170289 + 25621839487204 = 11526233^2 + 5061802^2 .

It is a cyclic number.

It is not a de Polignac number, because 158475886657493 - 2¹² = 158475886653397 is a prime.

It is a super-2 number, since 2×158475886657493² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158475886657793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79237943328746 + 79237943328747.

It is an arithmetic number, because the mean of its divisors is an integer number (79237943328747).

Almost surely, 2^{158475886657493} is an apocalyptic number.

It is an amenable number.

158475886657493 is a deficient number, since it is larger than the sum of its proper divisors (1).

158475886657493 is an equidigital number, since it uses as much as digits as its factorization.

158475886657493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48771072000, while the sum is 86.

The spelling of 158475886657493 in words is "one hundred fifty-eight trillion, four hundred seventy-five billion, eight hundred eighty-six million, six hundred fifty-seven thousand, four hundred ninety-three".