12953541193 has 4 divisors (see below), whose sum is σ = 12953819088. Its totient is φ = 12953263300.

The previous prime is 12953541169. The next prime is 12953541197. The reversal of 12953541193 is 39114535921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39114535921 = 139 ⋅281399539.

It is a cyclic number.

It is not a de Polignac number, because 12953541193 - 2²¹ = 12951444041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12953541197) 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, 50083 + ... + 168568.

It is an arithmetic number, because the mean of its divisors is an integer number (3238454772).

Almost surely, 2^12953541193 is an apocalyptic number.

It is an amenable number.

12953541193 is a deficient number, since it is larger than the sum of its proper divisors (277895).

12953541193 is an equidigital number, since it uses as much as digits as its factorization.

12953541193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277894.

The product of its digits is 145800, while the sum is 43.

The spelling of 12953541193 in words is "twelve billion, nine hundred fifty-three million, five hundred forty-one thousand, one hundred ninety-three".