1349646347454 has 16 divisors (see below), whose sum is σ = 2699597840400. Its totient is φ = 449831258240.

The previous prime is 1349646347449. The next prime is 1349646347459. The reversal of 1349646347454 is 4547436469431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1349646347449) and next prime (1349646347459).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1349646347459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12656877 + ... + 12763064.

It is an arithmetic number, because the mean of its divisors is an integer number (168724865025).

Almost surely, 2^{1349646347454} is an apocalyptic number.

1349646347454 is an abundant number, since it is smaller than the sum of its proper divisors (1349951492946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1349646347454 is a wasteful number, since it uses less digits than its factorization.

1349646347454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25428795.

The product of its digits is 104509440, while the sum is 60.

The spelling of 1349646347454 in words is "one trillion, three hundred forty-nine billion, six hundred forty-six million, three hundred forty-seven thousand, four hundred fifty-four".