12948195319 has 4 divisors (see below), whose sum is σ = 12949306360. Its totient is φ = 12947084280.

The previous prime is 12948195311. The next prime is 12948195341. The reversal of 12948195319 is 91359184921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12948195319 - 2³ = 12948195311 is a prime.

It is a super-2 number, since 2×12948195319² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12948195311) 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, 537852 + ... + 561409.

It is an arithmetic number, because the mean of its divisors is an integer number (3237326590).

Almost surely, 2^12948195319 is an apocalyptic number.

12948195319 is a deficient number, since it is larger than the sum of its proper divisors (1111041).

12948195319 is a wasteful number, since it uses less digits than its factorization.

12948195319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111040.

The product of its digits is 699840, while the sum is 52.

The spelling of 12948195319 in words is "twelve billion, nine hundred forty-eight million, one hundred ninety-five thousand, three hundred nineteen".