1349191644425 has 12 divisors (see below), whose sum is σ = 1673012729856. Its totient is φ = 1079343579600.

The previous prime is 1349191644389. The next prime is 1349191644553. The reversal of 1349191644425 is 5244461919431.

It is not a de Polignac number, because 1349191644425 - 2³⁰ = 1348117902601 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4111160 + ... + 4427190.

It is an arithmetic number, because the mean of its divisors is an integer number (139417727488).

Almost surely, 2^{1349191644425} is an apocalyptic number.

It is an amenable number.

1349191644425 is a deficient number, since it is larger than the sum of its proper divisors (323821085431).

1349191644425 is a wasteful number, since it uses less digits than its factorization.

1349191644425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486808 (or 486803 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 53.

The spelling of 1349191644425 in words is "one trillion, three hundred forty-nine billion, one hundred ninety-one million, six hundred forty-four thousand, four hundred twenty-five".