158263512793 has 4 divisors (see below), whose sum is σ = 159083531188. Its totient is φ = 157443494400.

The previous prime is 158263512751. The next prime is 158263512829. The reversal of 158263512793 is 397215362851.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 397215362851 = 19 ⋅20906071729.

It can be written as a sum of positive squares in 2 ways, for example, as 22252285584 + 136011227209 = 149172^2 + 368797^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158263512793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 158263512793.

It is not an unprimeable number, because it can be changed into a prime (158263512733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410008908 + ... + 410009293.

It is an arithmetic number, because the mean of its divisors is an integer number (39770882797).

Almost surely, 2^158263512793 is an apocalyptic number.

It is an amenable number.

158263512793 is a deficient number, since it is larger than the sum of its proper divisors (820018395).

158263512793 is an equidigital number, since it uses as much as digits as its factorization.

158263512793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820018394.

The product of its digits is 2721600, while the sum is 52.

The spelling of 158263512793 in words is "one hundred fifty-eight billion, two hundred sixty-three million, five hundred twelve thousand, seven hundred ninety-three".