1348078883681 has 4 divisors (see below), whose sum is σ = 1348081631232. Its totient is φ = 1348076136132.

The previous prime is 1348078883677. The next prime is 1348078883689. The reversal of 1348078883681 is 1863888708431.

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.

It is a cyclic number.

It is not a de Polignac number, because 1348078883681 - 2² = 1348078883677 is a prime.

It is a super-2 number, since 2×1348078883681² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1348078883689) 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 3 ways as a sum of consecutive naturals, for example, 414545 + ... + 1693518.

It is an arithmetic number, because the mean of its divisors is an integer number (337020407808).

Almost surely, 2^{1348078883681} is an apocalyptic number.

It is an amenable number.

1348078883681 is a deficient number, since it is larger than the sum of its proper divisors (2747551).

1348078883681 is an equidigital number, since it uses as much as digits as its factorization.

1348078883681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2747550.

The product of its (nonzero) digits is 49545216, while the sum is 65.

The spelling of 1348078883681 in words is "one trillion, three hundred forty-eight billion, seventy-eight million, eight hundred eighty-three thousand, six hundred eighty-one".